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20.05.2020 •
Mathematics
A 50 lb bag of flour costs $27. How much does 8 lbs of flour cost? Use a proportion to solve.
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Ответ:
$4.32
Step-by-step explanation:
We want to write a proportion to solve
50 lbs 8 lbs
=
27 dollars x dollars
Using cross products
50x = 8*27
50x=216
Divide each side by 50
50x/50 = 216/50
x=4.32
Ответ:
$4.32
Step-by-step explanation:
Make a proportion using this setup:
pounds/cost=pounds/cost
A 50 pound bag costs $27, and a 8 pound bag costs $x
50 lb/$27=8 lb/$x
50/27=8/x
Cross multiply
50*x=27*8
50x=216
We want to find what a 8 pound bag, will cost (x). To do this, we need to get x by itself.
Since x and 50 are being multiplied, divide both sides by 50
50x/50=216/50
x=216/50
x=4.32
A 8 pound bag of flour will cost $4.32
Ответ:
Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
Quincy spends of his pocket money on snacks to keep in his locker. Write the fraction in decimal form.
The decimal equivalent of is .
Step-by-step explanation:Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.
Quincy spends of his pocket money on snacks to keep in his locker. Write the fraction in decimal form.
The decimal equivalent of is .