Step-by-step explanation:
for 15 =6
75=?(x)
15x=75×6
15x=450
x=450/15
x=30
Rob saved $30
Answer:
4:5
Step-by-step explanation:
Answer:
it is c
Step-by-step explanation:
Answer:
Step-by-step explanation:M+F=39
M+F=39
F=M-9
Substitute
M + M - 9 = 39
2M = 48
M=48/2
M=24
24+F=39
F=39-24=15
F=15, M=24