12 is 20% of what number? 28 is 35% of what number? 84 is 42% of what number? 32 is 80% of what number? 35% of 60 is what number? 25% of 132 is what number? 5% of 40 is what number? 15% of 20 is what number? C

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

What is the number 321,000,000 in scientific notation? also what is the number? ?

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.