Ellen has a pencil 2x+15cm long. Tom has a pencil5x+25cm long. How much longer is Tom's pencil than Ellen's?
1 answer:
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Answer:
72 of 45 is 160%
Step-by-step explanation:
72 of 45 can be written as:
To find percentage, we need to find an equivalent fraction with denominator 100. Multiply both numerator & denominator by 100
Therefore, the answer is 160%
If you are using a calculator, simply enter 72÷45×100 which will give you 160 as the answer.