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nydimaria [60]
3 years ago
11

There are 127 lbs of fruits in the store: apples, oranges, and peaches. There are four times as many apples as there are peaches

, and 7 lbs more oranges than peaches. How many apples, oranges, and peaches are there in the store?
Mathematics
1 answer:
Pepsi [2]3 years ago
4 0
Let
x------> amount of pounds of apples
y------> amount of pounds of oranges
z-----> amount of pounds of peaches

we know that
x+y+z=127------> equation 1
x=4z-----> equation 2
y=7+z----> equation 3

substitute  equation 2 and equation 3 in equation 1
x+y+z=127----> (4z)+(7+z)+z=127---> 6z=127-7---> 6z=120----> z=20 lb
x=4z---> x=4*20----> x=80 lb
y=7+z----> y=7+20---> y=27 lb

 amount of pounds of apples----> 80 lb
amount of pounds of oranges----> 27 lb
amount of pounds of peaches---> 20 lb

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Given the points R(-4, 5) and S(2, -1). Find RS, the midpoint of RS, and point P which is 13 of the distance from R to S. Leave
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D = √(x2-x1)²+(y2-y1)²

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RS = √(2-(-4))²+(-1-5)²

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Hence the midpoint is (-1,2)

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