The product of 3/4 and 7/8 is less than 7/8

Yes, it is correct.

Step-by-step explanation:

When we multiply a positive real number by a positive real number less than 1,

Then the value of the original number is always decreased,

Here,

Also,

Thus, by the above statement,

Verification :

Since, the product of and is,

= 0.65625 < 0.875

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.