Asked by Tasene
How to solve this problem 8.3 was added to a certain number. This sum was then divided by 11.2. Finally, the quotient was multiplied by 8. This product came out to 16. Please help I'm in 5th gradethank you..
Answers
Answered by
Bosnian
[ ( 8.3 + x ) / 11.2 ] * 8 ) = 16 Divide both sides by 8
[ ( 8.3 + x ) / 11.2 ] * 8 ) / 8 = 16 / 8
( 8.3 + x ) / 11.2 = 2 Multiply both sides by 11.2
11.2 * ( 8.3 + x ) / 11.2 = 2 * 11.2
8.3 + x = 22.4 Subtract 8.3 to both sides
8.3 + x - 8.3 = 22.4 - 8.3
x = 14.1
[ ( 8.3 + x ) / 11.2 ] * 8 ) / 8 = 16 / 8
( 8.3 + x ) / 11.2 = 2 Multiply both sides by 11.2
11.2 * ( 8.3 + x ) / 11.2 = 2 * 11.2
8.3 + x = 22.4 Subtract 8.3 to both sides
8.3 + x - 8.3 = 22.4 - 8.3
x = 14.1
Answered by
Shredder
[(8.3 + x) / 11.2] * 8 = 16
Multiply both sides by 11.2
8(8.3 + x) = 179.2
66.4 + 8x = 179.2
collect like terms
8x = 179.2 - 66.4
8x = 112.8
Divide both sides by 8
X = 14.1
Multiply both sides by 11.2
8(8.3 + x) = 179.2
66.4 + 8x = 179.2
collect like terms
8x = 179.2 - 66.4
8x = 112.8
Divide both sides by 8
X = 14.1
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