Question

To calculate 4 1/5% tax on $63.78, multiply 4.2 times 63.78. True or False.

Answer 1

`\bf {{ a}}\%\ of\ b \implies \cfrac{{{ a}}}{100}\cdot b\implies {{ a}}/ 100\cdot b\qquad thus\\\\ -----------------------------\\\\ {{ 4(1)/(5)}}\%\ of\ 63.78 \implies \cfrac{{{ 4(1)/(5)}}}{100}\cdot 63.78\implies {{ 4(1)/(5)}}/ 100\cdot 63.78`

you tell us, what would you end up multiplying 63.78 there, to get the 4 1/5% of it?

Answer 2

The answer is false