The difference of Z and 35 is not more than 2
1 answer:
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Y = 5x + 2
y = 3x
5x + 2 = 3x
- 5x - 5x
2 = -2x
-2 - 2
-1 = x
y = 3x
y = 3(-1)
y = -3
(x, y) = (-1, -3)
y = 3x
5x + 2 = 3x
- 5x - 5x
2 = -2x
-2 - 2
-1 = x
y = 3x
y = 3(-1)
y = -3
(x, y) = (-1, -3)
Connor has 14 quarters and 28 dimes.
Step-by-step explanation:
Given,
Worth of coins = $6.30 = 6.30*100 = 630 cents
We know that,
1 quarter = 25 cents
1 dime = 10 cents
Let,
Quarter = x
Dime = y
According to given statement;
25x+10y=630 Eqn 1
The number of dimes is 14 more than the number of quarters
y = x+14 Eqn 2
Putting value of y from Eqn 2 in Eqn 1
Dividing both sides by 35
Putting x=14 in Eqn 2
Connor has 14 quarters and 28 dimes.
Keywords: linear equation, substitution method
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