Can someone explain how $3.79 x 2 = $7.58 is equivalent to $7.58/2=$3.79

Michael is 17 years old than john. In 4 years the sum of their ages will be 49. Fins Michaels present age.

Joseph completed the two-way table on the left about the social networking habits of his classmates as follows: Step 1: 85 - 30 = 55 Step 2: 80 - 55 = 25 Step 3: 140 - 80 = 60 Step 4: 60 - 30 = 30 Step 5: 25 + 30 = 55 The student made

Put 0.875 in a fraction form

Form the intersection for the following sets. R = {10, 15, 20} S = {20, 25} R ∩ S =

How many hours is 80 minutes?

What is the expression of (0.2) (14)

6/100 as a reduced fraction

Solve f (-4) if f (x) = - 4x - 2.

3/4c-1/4c+3=7 what does c equal?

There are 7 school buses taking students on a field trip. There are 37 students on each bus. How many students are going on the field trip