Okay mommy I just wanna cry lol yeah lol lol oh okay okay baby I promise promise I love mama mommy
Answer:
Step-by-step explanation:
42 < 21+3x < 84
21 < 3x < 63
7 < x < 21
Answer:
We have 16 ounces of 3% H2O2
How many ounces of 30% H2O2 do we add to make a 10% H2O2 solution?
let x = amount of ounces of 30% H2O2 to add
.03 * 16 + .30x = .10 * (16 + x)
.48 + .30x = 1.6 + .1x
.2x = 1.12
x = 5.6 ounces
Source:
https://www.1728.org/mixture.htm
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
since 28 is the amount of time it takes for him to mow a lawn, we have to have an answer that involves time, which is B.