The school store sells pencils for $0.30 each, shirts for $14.50 each, and notebooks for $3.20 each. a. The cost of 4 pencils, 1 shirt, and 3 notebooks is?

b. Sarah brought $10 to the store. She bought 2 notebooks and 3 pencils. How much money does she have left? $

a. 0.3p +14.5s +3.2n (the expression for the given story)

0.3(4) + 14.5 (1) + 3.2(3) (plug in the given values, and multiply)

1.2 + 14.5 + 9.6 (add)

15.7 +9.6

$25.30 (how much it costs)

b. 0.3p + 3.2n (expression for part b)

0.3(3) + 3.2(2) (plug in the given values and multiply)

0.9 + 6.4 (add)

7.3 (how much what she bought cost)

10 - 7.3= 2.7 (how much she brought, with how much she bought subtracted)

$2.70 left (this is how much she has left)

Step-by-step explanation:

I hope this helped :)

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step-by-step explanation: