Sarah is 14
The twins are 12
The youngest (n) is 7
14+(12+12)+7=45
n=7
Step-by-step explanation:
- (a+2b+30)-(40+36-5a)
- a+2b+30-40-36+5a
- 6a+2b-46
hope it helps.
Answer:
0
Step-by-step explanation:
is it helpful or not,?
Answer:
x=9/20 or x=0.45
Step-by-step explanation: