Answer:
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)
Explanation:
I hope this helped :)