david spent 2/5 of his money on a storybook. The storybook cost $20. How much money did he have at first

Answers

Answer 1

Answer: If the storybook cost $20, and it was also 2/5 of his money, then 2/5 of his money is $20. In other words:
2x/5 =20.

Multiplying both sides by 5, we get:
2x = 100.

If we divide both sides by 2, then we're left with:
x = 50.

David had $50 at first.

Answer 2

Answer: 50 dallors hope this help

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a wooden board is 100 centimeters long is cut into two pieces one is 16 centimeters longer than the other what are the lengths of the two pieces

Answers

(100 - 16)÷2 = 42 is the short one's length and 42 + 16 = 58 is the long one's length

Problema Solution a wooden board 100 centimeters long is cut into two pieces. One piece is 16 inches longer than the other. What are the lengths of the two pieces x = the length of one piece y = the length of the other piece the total length is 100 cm this means x + y = 100 one piece is 16 inches longer than the other first we need to convert inches to cm: 1 in = 2.54 cm 16 in = 2.54*16 = 40.64 now we can write x = y + 40.64 by solving the system of equations x + y = 100 x = y + 40.64 we find x = 70.32 cm y = 29.68 cm the lengths of the two pieces are 70.32 cm and 29.68 cm.

the teacher gave this pattern to the class the first term is 5 and the rule is add 4 subtract 1 each student says a number the first student says 5 victor is tenth in line what number should he say

Answers

he shoud focus more so he can get better and better

A liter is equal to 100 centiliters. Is a centiliter agreater measure than a milliliters? Explain.

Answers

if you use the metric system to organize things.... KHDUDCM
(i remember it as, "king henry died unfortunately drinking chocolate milk")
the last c stands for centi and the last m stands for milli. if you use logic in this organizational structure than centiliters is greater, anything to the right of the metric is larger than the ones on the left

KHDUDCM = KILO, HECTO, DECA, UNITS, DECI, CENTI, MILLI

ANSWER: yes a centiliter is greater than a mililiter

The ratio of boys to girls in Mr. Bakers social studies class is 2 to 3. If there are 30 total students in the class how many more girls are in the class than boys?

Answers

There are 6 girls more than boys if the ratio of boys to girls in Mr. Bakers' social studies class is 2 to 3.

What is an arithmetic operation?

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has basic four operators that is +, -, ×, and ÷.

It is given that:

The ratio of boys to girls in Mr. Bakers' social studies class is 2 to 3.

From the question:

2 + 3 = 5 parts

= 2/5 Boys

= 3/5 Girls

30(2/5) = 60/5 = 12 Boys

30(3/5) = 90/5 = 18 Girls

18 - 12 = 6 girls are more than boys

Thus, there are 6 girls more than boys if the ratio of boys to girls in Mr. Bakers' social studies class is 2 to 3.

Learn more about the arithmetic operation here:

brainly.com/question/20595275

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2 + 3 = 5 parts
2/5 Boys
3/5 Girls

30 * 2/5 = 60/5 = 12 Boys
30 * 3/5 = 90/5 = 18 Girls

18 - 12 = 6 girls are more than boys

Which ordered pair is in Quadrant IV? A.

(–3, –5)

B.

(–3, 5)

C.

(5, –3)

D.
(5, 3)

Answers

Point C is in Quadrant IV.

Quadrant I is the top right, Quadrant II is the top left, Quadrant III is the bottom left, and Quadrant IV is the bottom right (it starts at the top right and goes clockwise around the graph).

The point (5, -3) goes 5 to the right and 3 down from the origin (0, 0), making it in the bottom right and therefore Quadrant IV.

HELP HELP HELP HELP HELP HELP HELP HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!Most mornings, Kevin stops for coffee on the way to work. He spends $27 each month on coffee. In addition, he likes to occasionally go out to lunch with his coworkers. This month, he is trying not to spend more than $87 on both coffee and lunch out. If he spends an average of $6 each time he eats lunch out, and x represents the number of times he eats out, which of the inequalities represents this situation?
A.
$6x + $27 < $87
B.
$6x + $27 > $87
C.
$27x + $6 < $87
D.
$27x + $6 > $87

Answers

Answer: A. $6x + $27 < $87

Step-by-step explanation:

Your question says “...x represents the number of times he eats out”, when he eats out its $6, so that means obviously that the x would be by the 6 and the less then symbol would be facing 87 cause your wont to spend less then that amout.

Have a good day and stay safe :)

Answer:A. $6x + $27 < $87

Step-by-step explanation:

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