Hi.
To find the unit rate we just need to divide the total cars washed in 5 hours (20) by the hours (5)
20 / 5 = 4
The unit rate is 4 cars/hour.
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Step-by-step explanation:
2. since there are 15 shirt
the probability of her wearing a blue shirt is 5/15
the probability of her wearing a blue shirt is 4/15
9514 1404 393
Answer:
Step-by-step explanation:
In each group of 5 coins, 4 are nickels and 1 is a dime. There are 65/5 = 13 such groups, so 13 dimes, and 4×13 = 52 nickels.