10.5x + 3y = 811.5
x + y = 97
y = 97 - x
3y = 291 - 3x
7.5x + 291 = 811.5
7.5x = 811.5 - 291
x = 520.5 / 7.5
x = 69.4
69 were sold at the original price
Answer:
y= (5/3) x + 5
Step-by-step explanation:
y = mx + b
m = (5 - 0)/(0 - (-3)) = 5/3
y = (5/3)x + b
b = 0-(5/3)(-3) = 5
y = (5/3)x + 5
Answer:
7.89 births per minute
Step-by-step explanation:
525600 minutes in a year
4,148,000 divided by 525600 =
7.89193302892
Answer:
x = 23.4
Step-by-step explanation:
Answer:
p=28
Step-by-step explanation:
5p=140
To to find the value of p divide both sides by 5 (5p/5 and 140/5)
p=28!
