At Greens Supermarket, Lulu wrote a check for $189.94 to buy groceries. Afterward, she deposited $122.50 (money that she receive
1 answer:
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We know that 5 lbs of apples cost $2.99
To know how much do 3 lbs of apple cost, you can use cross multiplication
If 5 lbs cost $2.99
Then 3 lbs cost $x
The proportion between the price and the number of apples is the same, you have to calculate it as:
3 lbs of apples cost $1.79