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Exchange rate for rand is 7 for $1 how any dollars would u receive is u exchange 21 rand

2 Answers

4 votes

Answer:

$3

Explanation:

7 rand = 1 dollar

Divide both sides by 7 rand.

1 = (1 dollar)/(7 rand)

Notice that the fraction (1 dollar)/(7 rand) equals 1, so multiplying by it will not change the amount, just the units.

21 rand * (1 dollar)/(7 rand) =

= 21/7 dollar

= 3 dollar = $3

User Andrew Ducker
by
8.0k points
7 votes

Answer:

$3

Explanation:

7 rands for $1

7×3=21

21 rands for $3

User Clucking Turtle
by
8.3k points

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