Three is subtracted from a number, and then the difference is divided by eleven. The result is twelve. What is the number?

The number is 135.

Step-by-step explanation:

1) Form an equation

Three is subtracted from a number

⇒ (where x is "the number")

The difference is divided by 11

⇒

The result is 12

⇒

2) Solve the equation

Multiply both sides by 11

Add 3 to both sides

Therefore, the number is 135.

I hope this helps!

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here

c = 0.429t

step-by-step explanation:

the constant rate at which carlos harvests cassava is 35 minutes per 15 cassavas 15/35 = 0.429 cassava per minute

therefore, an equation that models the number of cassava (c) that harvest carlos in a time (t) is the following:

where t is the time in minutes.

this means that when 35 minutes have elapsed 15 cassava have been harvested, at 70 minutes 30 cassava have been harvested and so on.