Nicole has 20 coins in her purse. some are nickels and some are dimes. in total she has $3 in her purse. how many of each coin does nicle have?

Number of nickels is 10

Number of dimes is 10

Step-by-step explanation:

Let's assume

number of nickels =n

number of dimes =d

Nicole has 20 coins in her purse

so,

we know that

1 nickel =0.20 dollar

1 dimes =0.10 dollar

total she has $3 in her purse

so, we can get another equation

we get system of equations as

We can isolate n from first and plug into second

now, we can solve for d

now, we can find n

So,

Number of nickels is 10

Number of dimes is 10

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step-by-step explanation:

if she was to only spend a dollar she can get 1lb

step-by-step explanation: