dobrzenski8372
12.12.2019 •
Mathematics
Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 marbles or more, the class has a party. right now, the jar contains 24 marbles.
let r represent the number of additional times the class is rewarded. write an inequality to determine how many more times the class needs to be rewarded in order to earn a party.
what is the minimum whole number of additional times they need to be rewarded so they can have a party?
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Ответ:
Subtract 24 from both sides.
24 - 24 + 3r = 100 - 24
Divide
3r = 76
3r/3 = 76/3
r = 25.3
Rounded to 25.
They would have to be rewarded 25 times in order to have a party.
Ответ:
c
Step-by-step explanation:
Hope this helps