Christopher bought 3 toy trucks that costs $14.25 each. He used a coupon for 15% off of the total purchase. Rounded to the nearest cent, what was the final cost of Christopher's toy trucks?

$36.3

Step-by-step explanation:

Since Christopher bought 3 toy trucks that costs $14.25 each. Then, the cost of the three toys will be:

= 3 × $14.25

= $42.75

Then, if he used a coupon for 15% off of the total purchase, then the final purchase will be:

= $42.75 - (15% × $42.75)

= $42.75 - (0.15 × $42.75)

= $42.75 - $6.4125

= $36.3375

= $36.3

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step-by-step explanation:

5x+2x=49

7x=49

x=7. 35 apples