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brownkat002
13.05.2021 •
Mathematics
PLEASE HELP ME ASAP 25 POINTS FOR EACH ANSWER I RLY NEED HELP BRAINLIEST
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Ответ:
Can't add as normal answer, see picture below
#1
AD = 14#2
x = 12#3
P = 64#4
m∠AED = 131°Ответ:
Answers:
Sarah has $12.50Sam has $27.50Casey has $55Explanation:
x = amount of money Sarah has
x+15 = amount of money Sam has, since he has $15 more than her
2(x+15) = amount of money Casey has, since he has twice as much as Sam.
Let's add up those three expressions and set that sum equal to 95
Solve for x.
Sarah + Sam + Casey = 95
x+(x+15) + 2(x+15) = 95
x + x + 15 + 2x + 30 = 95
4x+45 = 95
4x = 95-45
4x = 50
x = 50/4
x = 12.50
This says that Sarah has $12.50
That must mean Sam has x+15 = 12.50+15 = 27.50 dollars
And Casey must have 2*27.50 = 55 dollars.
As a check,
Sarah+Sam+Casey = 12.50+27.50+55 = 95
So the answer is confirmed.