What is this your homework?
.90/6= .15 per oz
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$1 = 100 cents → 90 cents/$2.70 = 90 cents/(2.70 × 100 cents) = 90 cents/270 cents = 90/270 = 1/3
90 cents / 1 dollar = 90 cents/100 conets = 90/100 = 9/10
90 pounds is 1,440 ounces.
90 cents = 9/10 of a dollar
Imagine you have 20 objects at a cost of $90. Then the unit rate (the cost of one object) will be found by division. here $90 ÷ 20 = $4.50 (the unit price)