#ratiofractiondecimal&percentage
C : K
2 : 5
Total = 2 + 5 = 7
C : K : Total
2 : 5 : 7
#ratiofractiondecimal&percentage
`1/5` of cows = `5/8` of goats
`5/25` of cows = `5/8` of goats
Ratio of cows to goats
25:8
Difference
25u - 8u = 17u
17u = 34
1u = 34 `-:` 17 = 2
No. of goats
8u = 8 `xx` 2 = 16
#ratiofractiondecimal&percentage
`1/3` u of Gabriel's mass = 3u of Helen's mass
1u of Gabriel's mass = 9u of Helen's mass
G: H
3 : `1/3`
9 : 1
Total mass = 9u + 1u = 10u
Helen's mass as a fraction of total mass
`1/10`
#ratiofractiondecimal&percentage
Fraction of screws left
`7/7` - `4/7` = `3/7`
Fraction of nails left
`5/5` - `3/5` = `2/5`
`3/7` of S = `2/5` 0f N
`6/14` of S = `6/15` of N
Ratio of S:N
`->` 14:15
Total units = 14 + 15 = 29u
29u = 145
1u = 145 `-:` 29 = 5
Total amt. of nails
15u = 5 `xx` 15 = 75
#ratiofractiondecimal&percentage
M : C : Total
2 : 3 : 5
Ratio of no. of mystery books to the total
2 : 5
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