A store owner paid $15 dollars for a book. she marked up the price of the book by 40% to determine it's selling price.

2 answers:

6 0

A) $15 ÷ 40% =
15×.4= 6
15+6= 21

B) $38 × .25=9.5
38-9.5=28.50

28.50×.06=1.71
28.50+1.17=30.21

I think this is how you do it. would wait for other answers as well to double check.

creativ13 [48]3 years ago

6 0

Part A)

$15 ÷ 40% = 15×.4= 6

15+6= 21

Part B) $38 × .25=9.5

38-9.5=28.50

28.50×.06=1.71

28.50+1.17=30.21

Do you need help with anything else?

Please give me the brainliest answer.

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Elena surveyed her classmates to see how many like to make jewelry. When she asked 20 of her classmates, 50 percent said they li

nordsb [41]

10 students of Elena's classmates like to make jewellery.

<u>Step-by-step explanation:</u>

Let total no.of classmates who liked the jewellery = x

Here, in the given problem, given she asked her classmates '20'. So, it clearly shows that total number of students/classmates = 20. Also, in that, 50% said like to make jewellery. Now find 'x' as below,

$x = 50 \% \text { of } 20$