Question

Choose the expression that is NOT equivalent to the following expression:

45y + 99




5(9y + 19.8)


9(5y + 11)


2(22.5y + 49.5)


4(11y + 22)

Answer 1

4(11y +22)

Explanation:

5(9y+19.8) =45y+99

9(5y+11)=45y+99

2(22.5y+49.5)=45y+99

4(11y+22)=44y+88

you must expand the numbers to get the total

for example you multiply 5×9y and 5×19.8 in a