Answer:
300
Step-by-step explanation:
john= 350
sally=350-50
=300
sally has 400.
because if u add 350 and 50 it equals 400
2m + 7 or 7 + 2m
the + 7 is the 7 more and 2m is the product of 2 and m
7 more than the product of 2 and m is 2m + 7 or 7 + 2m
