Use similarity property:
14 / (14+6) = 21 / (21 + (x+4))
14/20 = 21/(x+25) cross multiplication property
14*(x+25) = 20*21
14x + 350 = 420
14x = 70
x = 70/14 = 5.
Answer:
a 30 pound weight change in 1 month
Step-by-step explanation:
5 pounds
--------------- times 6 months results in a 30 pound weight change in 1 month
1 month
Answer:
300 square units
Step-by-step explanation:
explanation-because i just know
Answer:
There are no solutions.
Step-by-step explanation:
Let's solve your inequality step-by-step.
−7(3x−7)+21x≥50