Answer:
72 pens
Step-by-step explanation:
80*12 = 960
960*1.2 = 1152
242/15 = 16.1333333333
1152/16.1333333333 = 71.4049586778
71.4049586778 rounds up to 72 pens.
y = 5x
b/-7=4
b=4*-7
b= - 28
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-7 +(-8)(2)
-7 +(-16)
-23