Concept explainers
What will be the remainning balance on the card after he buys 5 more songs.
Answer to Problem 10HP
$10
Explanation of Solution
GIVEN:
Noah has a $20 gift card for an online music store, all songs at the store have the same price, after buys 3 songs the balance on the card is $16.25.
In order to find what will be the remainning balance on the card after he buys 5 more songs, first subtract the balance after he buys 3 songs, that is $16.25 from the total balance , that is $20 to find the cost of 3 songs, then divide this difference by 3 to find the cost of 1 song, and then multiply the cost of 1 song by 5 and subtract this product from the current balance of $16.25, as shown below:
So, the remanning balance on the card will be $10 after he buys 5 more songs.
Chapter 1 Solutions
Glencoe Math Accelerated, Student Edition
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