It is given that Joe was being exposed to an electromagnet shrinking machine. Because of this his height started decreasing .
Given,
The decrease was at a constant rate per second.
In 1.5sec, the height is decreased by 120cm.
So,
Variation per second =
Change in each second would be with negative sign indicate's decrease .
Hence, Answer is “-80” .
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The fixed cost is $150, while the per-student cost is $6.
Answer:
Could you explain it another way?
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
its just addition