Pineapple juice : orange juice : lime juice = 2:7:3
So there is 2x of pineapple juice, 7x of orange juice and 3x of lime juice.

She used 100 ml of pineapple juice.
I'm assuming you mean to list the terms of the expression. Those are mn, -2n, and +8. There are 3 terms there.
The height would be 108 inches. the base would be 156 inches. I figured this bc the 1/4 is half of 1/2 so if 1/4 is 6inches 1/2 would be 12 inches
42 times 10 is 420. hope this helps
I = Prt
I = 1500(.118)(2) = 354
Total amount to pay = $1854
Monthly payment = $77.25
I hope this helps!