Find the mistake

Question

Find the mistake in each

expression. Explain why it is

incorrect and then translate the

phrase correctly.

1) The product of and decreased by

the difference of and.

Translation:

2) Four subtracted from the sum of

eight and a two times a number

Translation:

3) The quotient of eight and a

number subtracted from the

difference of a number and 9

Translation:

4) The product of nine and the sum

of a number and 10

Translation:

Answer 1

1) No numbers

2) (8 + 2n) - 4

3) (n - 9) - (8/n)

4) 9(n + 10)