MATHEMATICS MIDDLE SCHOOL

I really need help with this pls help and show work

Answers

Answer 1

Answer:

okay so first we need to multiply 160 on both sides

{18/32(160)=n/160*160 (160 cancels out)}

so once we finish our calculations on the left side we get n equals 90

{n=90}

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A table costs $350 there us also a sale tax of 7% how many does the table cost include sales tax

Answers

$374.5 get it by dividing 350 and 7 and then add what you got to 350

Look at picture. Answer highlighted....

On her drivers test, Mrs. Lynch got 26 out of 30 questions correct. The passing grade was 0.85. Did Mrs Lynch pass?

Answers

26÷30 = .8666... so she did pass her driving test.

26 divided by 30 equals .8666... She passed

Book a has 24 more pages than book b.book c has 4 times as many pages as book a.the total number of pages of the three books is 180.how many pages does book b have ?please show the work

Answers

a=b+24
c=4a
b=a-24
a+b+c=180
sub in a,b and c into a+b+c=180
b+24+4a+a-24=180
b+5a=180
sub a=b+24
b+5(b+24)=180
b+5b+120=180
6b=180-120
6b=60
b=10
Book B has 10 pages

a=24+b
c=4a
c=4(24+b)
a+b+c=180
24+b+b+4(24+b)=180
24+b+b+96+4b=180
120+6b=180
6b=60
b=10
a=24+10
a=34
c=4(34)
c=136
34+10+136=180
So book a has 34 pages, book b has 10 pages, and book c has 136 pages.

What is the value of the following expression? 2×{6+[12÷(3+1)]}-1

Answers

First of all 3+1=4
Next divide 12 and 4 that equals 3
3+6 is equal to 9
9×2=18
Finally 18-1=17
My answer is 17

3+1=4
12/4=3
6+3=9
9*2=18
18-1=17

Stan has 2 3/4 pounds of oranges,1 1/3 pounds of lemons , and 1 3/4 pounds of limes.How many pounds of fruit does stan have in all

Answers

2 3/4 + 1 3/4 = 3 6/4 which is 4 1/2. Turn 1 1/3 to 1 2/6 and turn 4 1/2 to 4 3/6. 1 2/6+ 4 3/6 equals 5 5/6. He has 5(5/6) pounds of fruit! Hope this helps :-)

Write an equation of the line that passes through the points (0,7),(6,10)