Use cross products to solve the proportion.

StartFraction 4 over 3 EndFraction = StartFraction x over 12 EndFraction

1. Use cross products: (4)(12) = 3x

2. Multiply: 48 = 3x

3. Divide both sides by 3:
= x

The total number of students in gina’s after-school program is .the number of students who have 4 or more siblings is .reset next

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.