Step-by-step explanation:
a+b+c=78
b=10+a
c=2b
then, we back the first
a+10+a+2b=78
2a+2b=78- 10
2a+2(10+a)=68
2a+2a=48
4a=48
a=12
b=22
c=44
Answer:
1400+7437=x
Step-by-step explanation:
x= weight of the mother
The answer is 4. If you multiply x by 3 you get 9 but if you multiply it by 5 you get 15. However, 3*4=12, which is greater than 10 but less than 14.
Answer:
120 over 3
Step-by-step explanation:
Distance/time=speed
only other division is distance/speed=time but 120/40 isnt an option
Fractions mean division so 120 over 3 = 120/3
Im twelve years old
I know the answer!!! The answer is 6