Write down 24 and directly below that 48. Then draw a short line under 48, and a plus sign right next to the line. Now, starting from right to left, take the 4 from 24 and the 8 from 48. Add these two together. 4 plus 8 makes 12. Write down the 2 from 12 directly under the line under the 8 from 48. Then write down the 1 from 12 above the 2 from 24. Now, take the second column of numers: the 1 from 12, the 2 from 24, and the 4 from 48. Add these up. 1 plus 2 plus 4 makes 7. Write down the 7 under the line under the 4 from 48, just left of the 2 from the 12. As you can see, 72 is the correct answer. 24 plus 48 makes 72.
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4n + 24 = 484n + 24 - 24 = 48 - 244n + 24 - 24 = 48 - 244n = 48 - 244n = 244n/4 = 24/44n/4 = 24/4n = 24/4n = 6
(48/2)(9+3) = (24)(12) = 288
x2 + x2 = 48 2x2 = 48 x2 = 24 x = √24 x = 2√6
-30/48 - 8/48 = -38/48 or -19/24
Answer = 30 ---- 54-6= 48 48/2= 24 24+6=30