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umka2103 [35]
3 years ago
6

A slot machine takes only 20c and 50c coins and

Mathematics
1 answer:
alina1380 [7]3 years ago
3 0
Let the no of 50c coins be x

Then the no of 10c coins will be (21 -x)

VALUE = 0.50x + 0.10(21-x) = 4.90

0.50x + 2.1 - 0.10x = 4.90

0.40x = 2.80

x = 7

ANSWER 7 (50c) coins AND 14 (10c) coins

CHECK

7 X 0.50 = 3.50
14 X0.10 = 1.40
ADD = $4.90
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erastova [34]
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6 0
3 years ago
one teacher wants to give each student 7/8 of a slice of pizza. If the teacher has 7 slices of pizza then how many students will
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Answer:

The teacher can hand out pizza to 8 students.

Step-by-step explanation:

To find how many slices of pizza the teacher can hand out , you can divide 7 by 7/8 and round down the nearest whole number.

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4 0
3 years ago
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vladimir1956 [14]

Answer:

make a graphical representation for our case do we have infinite lines pass through a point M?

Step-by-step explanation:

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5 0
3 years ago
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Step-by-step explanation:

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P= -24<br>q= 12<br>r= -6<br><br>a. (pxq):(q+r)<br>b. (pxr):(r-q)<br><br>what the answer?​
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