Answer:
31
Step-by-step explanation:
3 times the same question ?
but yes, the formula for Jamal's salary is
S = 250 + 50v
now we know for that week that S = 1800
so, now we solve for v :
1800 = 250 + 50v
1550 = 50v
155 = 5v
v = 31
so, Jamal sold 31 vacuums in that week.