Complete the equation.
4 • 48 = (4 • 40) + (4 • ?)
Answer:
The equation can be completed by finding what number multiplied by 4 gives the remaining part of 4 • 48 after 4 • 40 has been accounted for. The missing number is 8 because 4 • 48 is 192, and 4 • 40 is 160; thus, 192 – 160 = 32, and 4 • 8 = 32.
Explanation:
To complete the equation 4 • 48 = (4 • 40) + (4 • ?), we need to break down 48 into two parts: one that is a multiple of 40 and the other one which, when multiplied by 4, gives us the remaining value. As we already have (4 • 40), we need to find out what number, when multiplied by 4, would add to (4 • 40) to give us 4 • 48.
First, let’s multiply 4 by 40:
4 • 40 = 160
Now, multiply 4 by 48 to find the total:
4 • 48 = 192
To find the missing number in the equation, subtract (4 • 40) from 4 • 48:
192 – 160 = 32
So the missing number in the equation is 8 because:
4 • 8 = 32
Therefore, the complete equation is:
4 • 48 = (4 • 40) + (4 • 8)
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