Answer:
11
Step-by-step explanation:
22+19=41
41-30=11
22 study physics, 19 study chemistry and 11 study both
1.8C + 32 would be ur expression
when C = 25
F = 1.8C + 32
F = 1.8(25) + 32
F = 45 + 32
F = 77 degrees <====
100
Solve for m
2m= 40
Divide both sides 2
m= 20
5(20)= 100
300 i think
