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3241004551 [841]
3 years ago
15

Twelve and three tenths more than five and thirteen thousandths of a number d is equal to fifteen and three hundred two thousand

ths. What is the value of d?
Mathematics
1 answer:
Masja [62]3 years ago
7 0
12 and 3/10 more than 5 and 13/1000 of d equals 15 and 302/1000
12 and 3/10+(5 and 13/1000 times d)=15 and 302/1000
convert to improper fractions
12 and 3/10=123/10
5 and 13/1000=5013/1000
15 and 302/1000=15302/1000

123/10+(5013/1000 times d)=15302/1000
subtract 123/10 from both sides
123/10=12300/1000
(15302-123000)/1000=2698/1000
5013/1000 times d=2698/1000
multiply both sides by 1000/5013 to clear fraction
d=2698/5013

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       2b                     2a
----------------- +  -----------------
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= ------------------------------------
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= ---------------------------------------
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= ------------------------
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