CPM Homework Help : CC3 Problem 9-91

Copy and complete each of the Diamond Problems below. The pattern used in the Diamond Problems is shown at right.

Generic Diamond Problem. One number, x, is located on the left side. The second number, y, is located on the right side. The bottom number is the sum of the two numbers, x and y. The top number is the product of the two numbers, x and y.

Hint (a):
What is $1.5$ divided by $0.3$ ?

Hint (b):
Add $x$ and $y$ to fill the lower box.
Multiply them to fill the upper box.

Hint (c):
What times $0.2$ is equal to $2.6$ ?
Answer (c):
$y = 13$
Can you find the sum of $0.2$ and $13$ ?

Hint (d):
This problem is very similar to part (c).