How many ways can a person choose 3 desserts from a desserts tray 8 desserts​

In combinatorics, this question is a combination question, because combination deals with selection while permutations deal with arrangement.

Plugging in our values,

That means 3 desserts from a tray of 8 desserts 56 times.

$53.50

step-by-step explanation:

you have to subtract the amount of money chuck earned ($72.50) by the cost of the gas for the mower ($11.25) and the new string for the trimmer he bought ($7.75).

72.50-11.25=61.25

and then subtract $61.25 by the second thing he bought (the new string for the trimmer)

61.25-7.75=53.5

so in total it's $53.50 (53 dollars and 50 cents)

answer:      

step-by-step explanation: