Question

If 12 pencils cost 42 cents, how much would 100 pencils cost?

Answer 1

Find the cost for one pencil, then multiply that by 100

Answer 2

12/42=x/100

Answer 3

or you can set up a proportion

Answer 4

i mean 12/42=100/x

Answer 5

x=350

Answer 6

so $3.5

Answer 7

X=cost of 100 pencils
proportion: 12/42=100/x
12(x)=.42(100)
12x=42.00
X=$3.50 cost of 100 pencils

Answer 8

$3.50

Answer 9

Thank You, Hero