Question

Find the difference between theproduct of 26.22 and 3.09 and the sum of 3.507, 2.08, 11.5, and 16.712. 

A. 47.2208   B. 58.3108   C. 4.489   D. 6.511

Answer 1

the difference between the product of 26.22 and 3.09 and sum of 3.507, 2.08, 11.5 and 16.712

Now this looks messy, change them into numerals:
(26.22 × 3.09) - (3.507 + 2.08 + 11.5 + 16.712)
Clear the parenthesis:
81.0198 - 33.799
Subtract:
47.2208

Answer is: A. 47.2208

Answer 2

26.22× 3.09 ≈ 81.0198– 3.507 ≈ 7 7.5128– 2.08 ≈ 75.4328– 11.5 ≈ 63.9328– 16.712
≈47.2208 Your answer is A