Isaiah and Chakshu went to dinner at Chili's restaurant and received a bill for $35. Isaiah paid the bill along with an additional 20% tip on his charge card. What was the total amount that he put on his charge card?

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- January 17th 2013, 10:28 AMRosestarWhat was the total amount that he put on his charge card?
Isaiah and Chakshu went to dinner at Chili's restaurant and received a bill for $35. Isaiah paid the bill along with an additional 20% tip on his charge card. What was the total amount that he put on his charge card?

- January 17th 2013, 12:05 PMBariothRe: What was the total amount that he put on his charge card?
20% is

So you need 20% of 35$.

To do so you multiply

there we've the tip.

But isaiah also paid the Chili, so the amount paid is: The bill + tip = 35 + 7 = 42.

Note

Another way to do it is to realise that if he give 20% tip, he pay 120% of the total bill.

So he pay