SOLUTION: The ratio of onions to radishes in a tossed salad is 8 to 5. If the number of onions is decreased by 20 percent and the number of radishes is increased by 20 percent what is the ne

Question 220905: The ratio of onions to radishes in a tossed salad is 8 to 5. If the number of onions is decreased by 20 percent and the number of radishes is increased by 20 percent what is the new ratio of onions? Express answer in a common fraction.
Found 2 solutions by rdamanik, edjones:
Answer by rdamanik(3) (Show Source): You can put this solution on YOUR website!
first
x : y = 8 : 5
x/y = 8/5
5x = 8y
x = onions
y = radishes
second
x : y = (8*0.8) : (5*1.2)
x : y = 6.4 : 6
x / y = 6.4 / 6
note :
to make a number increase 20 % can be done by :
1. X + X(20%) --->common way
2. X * 1.20 --->more practice way
to make a number decrease 20 % can be done by :
1. X - X(20%)
2. X * 0.8
to make a number decrease 38 % can be done by :
1. X - X(38%)
2. X * 0.62 ------> 1-0.38=0.62

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
(8-(8*.2))/(5+(5*.2))
=(8-1.6)/(5+1)
=6.4/6
=32/30 multiply by 5/5
=16/15
.
Ed
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