Answer:
13) 90-18 = 72
14) 108/9 = 12
15) 66+34 = 100
16) 7*8 = 56
Step-by-step explanation:
All you need to do is take the second term of each equation and move it to the other side. So for number 16 we just need to move the 8 from the left to the right. This is as simple as multiplying both sides by 8 to get:
8*(56/8) = 8(7)
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56 = 8*7
And that would be the answer to number 16!
1 hundred can also be 10 tens so when you add 10 tens and 4 tens you 14 tens and that is the same thing as 14 tens
42 is the number because...
42 ÷ 6 = 7
42 ÷ 7 = 6
Answer: Tamera invited 21 guests while Adelina invited 26 guest.
Step-by-step explanation:
x + (x-5) = 47
x + x -5 = 47
2x -5 =47
+5 +5
2x= 52
x= 26
26 -5 = 21