The sum of two numbers is twenty-four. The second number is equal to twice the first number.

The two numbers are: 8 and 16.

Step-by-step explanation:

Let the two unknown numbers be a and b.

The sum of the two number is 24. In other words:

The second number is equal to twice the first number. In other words:

This is a system of equations. Solve by substitution:

unpaid balance is : $149.99-$50 = $99.99 new balance = 149.99+2.62-50 = $102.61 finance charge = 99.99- 0.21/12= $1.75 new balance = 99.99+1.75 = $101.74 average daily balance method average daily balance= 3399.70/30 = $113.32 finance charge = $ 0.21/12ă—113.32 = $1.98 new balance = $149.99-50+1.98 = $101.97

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step-by-step explanation:

2 tens + 6 ones

1 ten + 16 ones

0 tens + 26 ones