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9966 [12]
4 years ago
14

Tom has a jar of quarters and dimes. he has q quarters and d dimes. write an expression that represents the total value in cents

of the coins in the jar using the variables q = q=the number of quarters in the jar and d = d=the number of dimes in the jar.
Mathematics
2 answers:
Tatiana [17]4 years ago
5 0

Answer: 25 p+10 q

Step-by-step explanation:

Given : Tom has a jar of quarters and dimes. he has q quarters and d dimes.

Let q = the number of quarters in the jar and d =the number of dimes in the jar.

We know that 1 quarter =25 cents

And 1 dime =10 cents

Then, Value of p quarters=25p

Value of q dimes=10 q

Thus the total value of the coins ( in cents) = 25p +20 q

Therefore, the expression that represents the total value in cents of the coins in the jar :-

25p+10q

alexdok [17]4 years ago
3 0
Q + d = x the amount of q and d equal the total cents in coins in the jar
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Svetach [21]

Answer:

12, 15, 24

Step-by-step explanation:

Let 1st # = x

Let 2nd # = x+3

Let 3rd # = 2x

Your equation is: x + (x+3) + 2x = 51

Add up all the x: x + x +3 +2x =51

Subtract 3 from both sides: 4x + 3 - 3 = 51 - 3

Divide 4 from both sides: 4x / 4 = 48 / 4

Your 1st number is x = 12

For the 2nd # it is 3 more than x so 12 + 3 = 15

For the 3rd # it is 2 times x so 2(12) = 24

Check your answers by adding up the numbers you solved: 12 + 15 +24 = 51

Does it equal to 51 as stated in the question? Yes, answers check out.

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3 years ago
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3 years ago
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