Question

Write the following expression as a statement:
( 21 ÷ 7 ) - 2

• A. 2 less than 21 divided by 7.
• B. 21 divided by sum of 7 and 2.
• C. Subtract 7 from 21 then divide the difference by 2.
• D. 21 minus 7 whole divided by 2.

Answer 1

The correct option is A 2 less than 21 divided by 7.

Converting each of the given statements into mathematical expressions, we get:

(a) 2 less than 21 divided by 7
= (21 ÷ 7) - 2

(b) 21 divided by sum of 7 and 2
= 21 ÷ (7 + 2)

(c) Subtract 7 from 21 then divide the difference by 2
= (21 - 7) ÷ 2

(d) 21 minus 7 whole divided by 2
= (21 - 7) ÷ 2

Therefore, the matching statement for the given expression is:

"2 less than 21 divided by 7"