You just multiply the numbers and if it’s less than that number you it it in the bud hood this helps!
The product of one term of a multiplicand and one term of its multiplier
It will be smaller than 1/4.
The reason being that 7/8 is a fraction which is less than 1, and that it can only be greater than 1/4 when the multiplying number, is a number which is greater than 1.
Note: When a positive number is multiplied by a number which is less than 1, it makes the positive number to be smaller and
When a positive number is multiplied by a number which is greater than 1, it makes the positive number to be bigger.
The answer should be C, 21. I’ll attach a picture for explanation.
