Roxanne has 1/2 as many beads as Sherie. The number of beads Sherie has is 4/5 that of Marcos. Marcos has 165 beads. How many more beads does Marcos have than Roxanne.

Answers

Answer 1

Answer: Sherie: (165×4)÷5 = 132
Roxanne has 1/2 of 132 = 66
Difference between Marcos and Roxanne:
165-66 = 99

Answer 2

Answer: Find 4/5 of 165

Find 1/2 of that this equals Rixanne's amount and then u minus roxanne's from marco's

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Write an equation for the area of a rectangle that is three times as long as it is wide. Use only one variable.PLEASE HELP, II NEED TODAY!!!

Answers

area = x × (3x)

x = how wide the rectangle is

Simple,

L=3W

The length is 3 times its width.

Have a great day! :D

80% of what # is 16?

Answers

80% of x = 16
"of" translates to multiplication and 80% becomes 80/100.

80/100 × x = 16

0.8x = 16

0.8x/0.8 = 16/0.8

x = 16/0.8

x = 20

Your final answer is 80% of 20 is 16.

I need help please and thank you

Answers

I WOULD SAY Y =9 BECAUSE LOOKING AT THE GRAPH THAT IS THE ONLY CONCLUSSION I COULD COME TO BUT I DONT REALLY KNOW

At the grocery store, Tina counts eight cartons with 6 eggs each, forty cartons with 12 eggs each, and twenty cartons with 18 eggs each. Which expression represents the problem?(8 x 6) + (40 x 12) + (20 x 18)
(8 + 6) x (40 + 12) x (20 + 18)
(68 + 6) x (68 + 12) x (68 + 18)
(68 x 6) + (68 x 12) + (68 x 18)

Answers

A 100%. 8 cartons w/ 6 = 8 x 6, etc.

same w/ 40 x 12, ya know. hope i helped

If you are looking for the total amount of eggs Tina counts the your first expression would get you the answer: (8 x 6) + (40 x 12) + (20 x 18) or 888 eggs

Which expression is equivalent to this one?–5(6 + 11)

A.
(–5) • 6 + 11

B.
(–5) + 6 + 11

C.
(–5) • 6 • 11

D.
(–5) • 6 + (–5) • 11

Answers

–5(6 + 11)= -85 The answer is D.

A. (–5) • 6 + 11= -19
B. (–5) + 6 + 11= 12
C. (–5) • 6 • 11= -330
D. (–5) • 6 + (–5) • 11= -85

Select the correct answer from each drop-down menu.Which data set has a greater spread? Why?

Set A: {38, 12, 23, 48, 55, 16, 18}

Set B:{44, 13, 24, 12, 56}

has a greater spread because