Advertisements
Advertisements
Question
By what number should `(-3)/8` be multiplied so that the product is `(-9)/16`?
Sum
Advertisements
Solution
Number = `(-3)/8 ÷ (-9)/16`
We can write it as
`= (-3)/8 xx 16/(-9)`
By further calculation
`= 2/3`
`= 1 1/2`
shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find x, such that: `(-2)/3=6/"x"`
Find x, such that: `7/-4 = "x"/8`
Find x, such that: `(- 48)/"x" = 6`
Arrange the given rational numbers in ascending order:
`7/10 , (-11)/-30 "and" 5/-15`
Subtract: `(- 8)/15 "from" 0`
Evaluate: `(-45)/39 xx (-13)/15`
Multiply: `6 2/3 "and" -3/8`
Evaluate: `(11/-9 xx 21/44) + ((-5)/9) xx (63/-100)`
Evaluate: `((- 35)/39 xx (- 13)/7) - (7/90 xx (- 18)/14)`
Divide: `16/-5 "by" (-8)/7`
