The correct answer is 0.78. Hope this helps.
3 (x + 7) = 5x - 2
3x + 21 = 5x - 2
3x - 5x = -2 - 21
-2x = -23
x = -23/-2
x = 23/2
Answer:
770
Step-by-step explanation:
3.5 x 220 = 770
770/3.5 = 220
770/220 = 3.5
Answer: 80 is the number of cupcakes for which the profit is equal to 0
Step-by-step explanation: