Gibson Stewart
02/20/2024 · Junior High School
Karen received a \( \$ 15.00 \) gift card for a photo center. She used it to buy prints that cost 7 cents each. The remaining balance, \( B \) (in dollars), on the card after uying \( x \) prints is given by the following function. \( B(x)=15.00-0.07 x \) What is the remaining balance on the card if Karen bought 50 prints? \( \square \) dollars
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Tutor-Verified Answer
Step-by-step Solution
Substitute \( x=50 \) into the expression \( 15.00-0.07x \).
Evaluate the expression by following steps:
- step0: Evaluate:
\(15-0.07x\)
- step1: Substitute:
\(15-0.07\times 50\)
- step2: Multiply the numbers:
\(15-3.5\)
- step3: Subtract the numbers:
\(11.5\)
The remaining balance on the card if Karen bought 50 prints is $11.50.
Quick Answer
The remaining balance is $11.50.
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