Mathematics: Kaixuan gave 1/4 of his money to his mother. he spent 5/18 of the remainder on a wallet and 2 t- shirtsand had $312 left. the wallet cost 4 times as much as a t-shirt. (a) how much did kaixuan have at first? (b) how much did each t-shirt cost?

Kaixuan gave 1/4 of his money to his mother. he spent

Ответ:

aime005

09.01.2022

(m-m/4)(1-5/18)=312

[(4m-m)/4](13/18)=312

(3m/4)(13/18)=312

39m/72=312

39m=22464

m=576

So Kaixuan had $576 to start with.

w=4t

(3m/4)(5/18)=w+2t

15m/72=w+2t, using w=4t and m=$576 we have:

15(576)/72=4t+2t

8640/72=6t

120=6t

t=$20

So each t-shirt costs $20.

0,0(0 оценок)

Ответ:

Weirddobby3964

24.07.2020

Mathematics

2 kg is greater than 20 grams. 2 kg is the same as 2,000 grams there is a total of 1,980 grams.

0,0(0 оценок)

Kaixuan gave 1/4 of his money to his mother. he spent 5/18 of the remainder on a wallet and 2 t- shirtsand had $312 left. the wallet cost 4 times as much as a t-shirt. (a) how much did kaixuan have at first? (b) how much did each t-shirt cost?

Ответ:

Ответ:

Ask your question to the AI advisor

More tips

Answers on questions: Mathematics

Ask an AI advisor a question