First you set up the problem- 7/12=x/100. then you cross multiply 7×100=700 then divide 12 into 700 so 700÷12=58.333333333333 and so your percentage is 58.3%
Answer: B) 115 pounds
Step-by-step explanation:
Because x is the number of days passed, after 21 days, x = 21.

Hope it helps <3
Answer:
y=2.2
Step-by-step explanation: Hope this helps you out!!
Answer:
-29
Step-by-step explanation:
4× (x+6) = -5. + 3x
4 times the sum of a number is 5 less than 3 times the same number
4×(x+6) = 3x - 5
4x + 24 = 3x - 5
x = -29
I do not know because i’m not good at math