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Charra [1.4K]
3 years ago
14

Suppose you have a pocketful of change. You have some pennies (p) and some quarters (q). One expression could be used to describ

e the total number of coins in your pocket: p + q. A second expression could be used to describe the amount of money (in dollars) in your pocket: 0.01p + 0.25q. Notice that each expression describes a different characteristic of the change in your pocket. Evaluate each expression for the situation where you have 6 quarters and 7 pennies in your pocket. Type the correct answer in each box. Use numerals instead of words. For the amount of money, do not enter a dollar symbol.
Mathematics
2 answers:
faltersainse [42]3 years ago
5 0

Answer:

13

1.57

Step-by-step explanation:

So we have two equations regarding the number of quarters <em>q</em> and the number of pennies <em>p:</em>

<em />p+q<em />

Which represents the total amount of coins and

0.01p+0.25q

Which represents the total amount of money in dollars.

So we are asked to evaluation each expression for the situation in which we have 6 quarters and 7 pennies. Thus, plug 6 in for <em>q</em> and 7 in for <em>p:</em>

<em />p+q\\(7)+(6)=13<em />

This tells us that we have 16 coins in total.

0.01(7)+0.25(6)\\=0.07+1.50\\=1.57

This tells us that we have a total amount of $1.57.

Alexandra [31]3 years ago
3 0

Answer:

\Large \boxed {13} \\ \boxed{ 1.57}

Step-by-step explanation:

Pennies ⇒ p

Quarters ⇒ q

First expression describes the total number of coins in the pocket ⇒ p+q

Second expression describes the amount of money in dollars in the pocket ⇒ 0.01p+0.25q

There are 6 quarters and 7 pennies in the pocket.

First expression :

p+q \\ 7 + 6 = 13

Second expression :

0.01p+0.25q \\ 0.01(7)+0.25(6) \\ 0.07+1.5 =1.57

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