20 cm the answer is 20 cm
7 tens and 3 ones would equal 73... 7×10+3×1=73
There are multiple… like 14:30 and another would be 35:75
Just multiply each side by the same amount like with 14:30 I multiples 7 by 2 so I multiples 15 by 2 also and for 35:75 I multiplied 7 by 5 and 15 by 5 if that helped at all :)
Answer:
midpoint is 0
Step-by-step explanation: