Tubs of ice cream are delivered to a store at a temperature of 36.7∘F. The ice cream is stored in a -40.8∘F freezer. Write the difference between temperatures.

what are the

can i see a photo of the question so i can you?

triangle eg 7.5 × cos "a" or 7.5 × sin "b" or 6 tan"a"

answer: $53750

steps:

list the principal and interest after the n-th year:

n       principal   simple interest

1     12500     375

2     25000     750

3     37500     1125

4     50000     1500

sum: $50000     $3750

total at end of year 4: $53750