3 years ago

4. To change .3 to a fraction you must put 3 over what denominator?

Mathematics

1 answer:

Len [333]3 years ago

5 0

Answer:

B) 10

Step-by-step explanation:

3 divided by 10 will give you 0.3

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3 years ago

X + y = 152, 8.5x + 12y = 1,656 How many hats were sold?

Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

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$8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104$

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