20 is the answer
I hope this help
3a + 6b = 45
2a - 2b = -12....multiply by 3
----------------
3a + 6b = 45
6a - 6b = - 36 ...(result of multiplying by 3)
---------------add
9a = 9
a = 1
3a + 6b = 45
3(1) + 6b = 45
3 + 6b = 45
6b = 45 - 3
6b = 42
b = 7
solution is : (1,7)
Lily and sabring make extra pocket money by paint gradden shed lily can paint
1 yr = 12 months
4 yrs= 12x4 = 48 months
3/4 year= 3/4 x12 = 9
so 4 3/4 years= 48+9 =57 months
Answer:
320
Step-by-step explanation:
if he received 10 less than half then you would just have to add that 10 back and multiply by 2.
150+10=160*2=320
