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Zigmanuir [339]
3 years ago
14

ms.conner's class is collecting quarters to buy a present for a homeless shelter .last week they collected $15.50 . How many qua

rters did they collect in total​
Mathematics
2 answers:
Alenkinab [10]3 years ago
8 0

Answer:

62 quarters

Step-by-step explanation:

1550/25=62

tiny-mole [99]3 years ago
7 0

Answer:

62 Quarters

Step-by-step explanation:

You would take the total amount given ($15.50) and the amount of a quarter ($0.25) and miltiply both numbers by 100 to make them whole numbers. After doing this, you will be left with 1550 and 25. You will now need to do 1550/25 which will get you 62. :)

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A bag contain 5 red marbles,4 green marbles and 1 blue marble. A marble is chosen at random from the bag and not replaced; then
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Answer:

\frac{2}{15}

Step-by-step explanation:

GIVEN: A bag contain 5 red marbles,4 green marbles and 1 blue marble. A marble is chosen at random from the bag and not replaced, then a second marble is chose.

TO FIND: What is the probability both marbles are green.

SOLUTION:

Total marbles in bag =10

total number of green marbles =4

Probability that first marble will be green P(A)=\frac{\text{total green marbles}}{\text{total marbles}}

                                                                    =\frac{4}{10}=\frac{2}{5}

Probability that second marble will be green P(B)=\frac{\text{total green marble in bag}}{\text{total marble in bag}}

                                                                                    \frac{3}{9}=\frac{1}{3}

As both events are disjoint

probability both marbles are green =P(A)\times P(B)

                                                           =\frac{2}{5}\times\frac{1}{3}=\frac{2}{15}

Hence  the probability both marbles are green is \frac{2}{15}

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Step-by-step explanation:

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