I know its 28 units i had it on a test
I can’t really explain but this is my working step by step, hope u can understand and see if it helps you :)
(x+2)(x+8) = x^2 +10x +16
(x^2 + 10x + 16)(x-1) = x^3+9x^2+6x-16, so the other dimension is x-1
You can find the dimensions of the model and plug them into the formula for volume (length x width x height)
Answer:
1) $53.50
2)$85.10
3) $57.60
4)1.5
4) $2511.25
Step-by-step explanation:
for 1,2,3,5 take the original amount and the percentages to set up something like this
$50X1.07
which gives you the entire answer in a simple step
