Question

Bill wanted to buy a slush at the store, so he checked his piggy bank. He only had dimes and nickels in it, and he had a total of 35 coins. He also had 5 more nickels than dimes. Which of the following slush sizes is the largest slush he could buy with his money? Show work.

either a. Big- $1.89
b. Bigger - $2.49
c. Biggest - 2.79
d. Biggerest - $2.99

Answer 1

b. Bigger - $2.49

Answer 2

why is it b?

Answer 3

let n = nickels and d = dimes
n + d = 35
n - 5 = d
n + (n -5) = 35
2n -5 = 35
2n = 40
n = 20
d = 15
.05 * n = 1.00
.10 * 15 = 1.50
1.00 + 1.50 = 2.50