The ratio of 2:9 has to be 2:9 do to the fact you can't simplify the fraction 2/9.
Hoped I helped.
Answer:
Step-by-step explanation:
84/4=21
Square root of 4=2
Answer:
20
Step-by-step explanation:
The cost of the x mangoes was ...
c = 10(x/4)
The revenue from the sale of mangoes was ...
r = 20(x-5)/5
The profit is the difference between revenue and cost:
10 = r - c = 20(x -5)/5 -10(x/4) = 1.5x -20 . . . . substitute and simplify
30 = 1.5x . . . . . add 20
20 = x . . . . . . . .divide by 1.5
The trader bought 20 mangoes.
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<em>Check</em>
He paid 20(10/4) = 50 naira. He sold the 15 good mangoes for 20/5(15) = 60 naira, so made a 10 naira profit.
Answer:
Step-by-step explanation:
16 ae =x
Answer:
a. k = 6 b. $66
Step-by-step explanation:
= 6 k is 6
(I know where this question goes so I'll do the rest)
b.
y = 6x
y = 6 · 11
y = 66
The dry cleaner would charge $66