Nathan buys coffee and hot chocolate for his co-workers. Each cup of coffee costs $1.50 and each cup of hot chocolate costs $1.15. If he pays a total of $12.45 for 9 cups, how many of each does he buy?

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

f(x)=4

step-by-step explanation:

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya

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step-by-step explanation: