Mathematics: Peter spent 40% of his money on books and 50% of his remaining money on toys. he had $21 left. how much money did peter have at first? (note: this may be really simple for some people, however mathematics for me is not a strong subject and i do need a lot of , .

Peter spent 40% of his money on books and 50% of his

Ответ:

weridness80

31.12.2021

40% of money on books
100-40=60
60% left

50% of remaining on toys
50% of 60%=30%
he has 21 left
21=30%

find 100%

$21=30%
divide by 3
$7=10%
times 10
$70=100%

he had $70 at first

0,0(0 оценок)

Ответ:

saren47

20.10.2021

Mathematics

I think its (3-3) so i don't think its true

0,0(0 оценок)

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.

Ask your question

Peter spent 40% of his money on books and 50% of his remaining money on toys. he had $21 left. how much money did peter have at first? (note: this may be really simple for some people, however mathematics for me is not a strong subject and i do need a lot of , .

Ответ:

Ответ:

Ask your question to the AI advisor

More tips

Answers on questions: Mathematics

Ask an AI advisor a question