Cora weighs 4 new, identical pencils and a ruler. The total weight of these items is 55 grams. She weighs the ruler by itself and it weighs 19 grams. How much does each pencil weigh?

total weight - weight of ruler

55-19= 36g

so the pencils weigh 36g in total

but there are 4 pencils and they asked how much each pencil weighed.

so we say 36÷4= 9g

each pencil weighs 9g

Step-by-step explanation:

check: 9+9+9+9+19 = 55g

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4

the ratio of grapes to blueberries she should use is 12: 3

step-by-step explanation:

if mandie is making 15 cups of fruit salad, the ratio of grapes to blueberries she should use is 12: 3.