one number is five more than twice another . if their sum is decreased by ten the result is twenty. find the numbers
1 answer:
Answer:
(25/3, 65/3) or x=25/3, y=65/3 or The numbers are 25/3 and 65/3.
Step-by-step explanation:
2x+5=y
(x+y)-10=20
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2x+5=y
x+y=20+10
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y=2x+5
x+y=30
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x+2x+5=30
3x+5=30
3x=30-5
3x=25
x=25/3
y=2(25/3)+5
y=50/3+5
y=50/3+15/3=65/3
x=25/3, y=65/3.
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Step-by-step explanation:
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x=26°
Step-by-step explanation:
3x-14+x+90=180
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Answer:
2427.26 $
Step-by-step explanation:
Just use this formula when you have such type of problems:
N = N° (1 + %)^t
Where N = final amount
N°= initial amount
t = peroid of time
Now let's solve:
N = 1000(1 + 0.03)^30
N = 2427.26
Answer:
he spends $22 and has $13left
Step-by-step explanation:
There are 9 beads on each string
