There are 160 pages in a book.15% of the pages having pictures on them. How many
2 answers:
We need to find out how much 15 percent of 160 is. Then, we can subtract that amount by 160. We can use proportions to solve this. We can set up our first fraction with x/160. Our next fraction can be 15/100. We can cross multiply, 160*15. 160*15 is 2,400. 2,400/100 is 24. This means 24 pages have pictures in them. 160-24 is 136. 136 pages do not have pictures on them.
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Answer:
Step-by-step explanation:
We need to use the formula to calculate the probability of (A or B) where
A=Probability a student likes pepperoni
B=Probability a student likes olive
A and B =Probability a student likes both toppings in a pizza
A or B =Probability a student likes pepperoni or olive (and maybe both), a non-exclusive or
The formula is
Since 6 students like pepperoni out of 9:
Since 4 students like olive out of 9:
Since 3 students like both toppings out of 9
Then we have