Well we know that total percentages always equals 100 so x + 45 = 100. You should get x = 55%
Find the ratio of 4/15 lb to 1/3 lb:
4
--
15
-------
1
--
3
Invert the divisor (1/3) and multiply:
4 3
-- * ---- = 4:5 (this is the desired ratio)
15 1
Answer:
x = 8
Step-by-step explanation:
-40 - 2x - 5 = -61
-45 - 2x = -61
-2x = -16
x = 8