Question

A chair cost rupees 250 and table cost rupees 400 if a housewife purchase a certain number of chairs and 2 tables 4 rupees 2800 find the number of chairs she purchased

Answer 1

given that the
a chair cost rupees 250
table cost rupees 400


let number of chair is x
number of table is 2

for 2table cost is
$400 \times 2$
for chair is
$x \times 250$
400*2 + 250x= 2800
800+250x= 2800
250x=2800-800
250x=2000
x=2000/250
x=8
number of chair is 8