For this case we subtract $228 minus $12 to find the amount of money Tim spent on books. So, to know how much spending in each book we divide $228 by 6.
So, we have that each book costs $38.
Answer:
Each book costs $38
Answer:
125 students ride their bike to school
Step-by-step explanation:
We can set a proportion.
5 / 32 = x / 800
where x is the number of students out of 100 who ride their bikes.
Cross multiply.
32x = 4000
Divide both sides of the equation by 32.
x = 125
125 students out of 800 students ride their bikes to school.
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Answer: 3/5