naeemkomal427 naeemkomal427

10-12-2019
Mathematics

contestada

the price of a pen is rs 42 and of a notebook is Rs 18. calculate how many pen and notebook you can buy for Rs 480 if you want to buy an equal quantity of both

Respuesta :

kael1995 kael1995

10-12-2019

x - quantity of pens and notebooks

x*42+x*18=480

x(42+18)=480

60x=480

x=480/60=8

Check

8*42=336

8*18=144

336+144=480

Answer: For 480 Rs I can buy 8 notebooks and 8 pens.

Answer Link

Otras preguntas

What is the experimental probability that a 10th grade student gets choosen

Please help help help

1 2 3 4 5 6 7 8 9 10 TIME REMAINING 39:25 Why is simple interest useful for planning parts of your financial future? a. Simple interest can endure unfo

Please help... Determine whether each set of side lengths could be the sides of a right triangle. 10.5 cm, 20.8 cm, 23.3 cm 6 cm, 22.9 cm, 20.1 cm

PLEASE HELP ASAP!!! ( 11 points)

Which is produced when a base reacts with water

Another personal question- are there any messaging sites that MIGHT work if most things are blocked via the school? I doubt anything will work but I don't exact

a refund of $3.15 on a $8.64 bill

What happens to organisms if they are not able to adapt to a changing environment?

please help!! asap!!! ( 10 points)