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kolbehoneyman
04.07.2019 •
Mathematics
Word problem, ! some number was added to 12. this sum was then divided by 8. finally, the quotient was multiplied by 6.the product was 12. what was the number?
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Ответ:
12+4=16
16/8=2
2*6=12
the number was 4
Ответ:
Do you know algebraic equations yet?
If so:
You can solve the problem by writing the equation x+12/8*6=12. You will get 4
If not:
Work backwards. If the quotient was divided by 6 is 12, then the number must be 2. Something divided by 8 that makes 2 is 16. 16-12 is 4.
Hope this helps!
Heather :)
Please excuse me if I am wrong
Ответ:
ok so rememmber you can do anythiing to an equation as long as you do it to both sides
-0.3x+2=0.4x-0.1
add 0.3x to both sides
2=0.7x-0.1
add 0.1 to both sides
2.1=0.7x
times 7 both sides
21=7x
divide both sides by 7
3=x