Answer:
<h3>29 and 32</h3>
Step-by-step explanation:
Let x = number
Let y = second number
We know that there are two true equations from this. Here is shown below the equations.
x + y = 61
x + 3 = y
We could use the substitution method for finding the numbers. After that, we continue on to solve to find the first number.
x + (x+3) = 61
2x + 3 = 61
2x = 58
2x/2 = 58/2
x = 29
Now that we know that the first number is 29, plug it in to the second equation to find the second number.
x + 3 = y
29 + 3 = y
y = 32
Proof that these numbers are the correct answer:
32 + 29 = 61
61 = 61 (Which is true!)
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the answer to your question is 72
Answer: 37 donuts
Step-by-step explanation:
coffee for 2,
donuts for 1.5
c = coffee
d = donuts
lets make an equation
c*2 + (80-c)*1.5 = 141.5
from this we get:
c= 43.
if c = 43, then d is 80-43 = 37.
they sold 43 coffees, and 37 donuts.
lets check the math
43*2+37*1.5 = 141.5. math checks out
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Prime factorization of 2·5·2=2^2·5
Answer:
£1.31
Step-by-step explanation:
Add 5 to 3, obtaining 8. Then the amt tht Eric pays is 5/8 of the £3.50 total, and the amt tht Sue pays is 3/8 of the total.
Thus, mult. £3.50 by 3/8:
(3/8)(£3.50) = £1.31 (which has been rounded off from £1.3125).
