Make $5 using 12 coins. You must use at least one of each kind of coin; half-dollars, quarters, and dimes
1 answer:
You might be interested in
The error that Barbara's made is that Barbara wrote (d+63) instead of (d+9).
<h3>What is Distributive property?</h3>The distributive property of multiplication is that when two numbers are added such as (a+b) and multiplied by a third number such as x, then the result will be the sum of multiplication of the third number with the first number (xa) and the third number with the second number (xb).
x(a+b) = xa + xb,
The expression which is equal to the expression 7d+63 can be written as,
Hence, the error that Barbara's made is that Barbara wrote (d+63) instead of (d+9).
Learn more about Distributive property: