Adrian-Eduard P.

asked • 11/16/19

Elementary maths problem

If 3 pens and 2books cost 110, 7pens and 2notebooks cost 77 how much do 1pen and 1book cost?

1 Expert Answer

By:

Sam Z. answered • 11/16/19

Tutor
4.3 (12)

Math/Science Tutor

See tutors like this
See tutors like this

3p+2b=110

7p+nb=77

p+b=?


Need more imfo.

Upvote • 0 Downvote
More
Report

Adrian-Eduard P.

that s all the info i was given as well
Report

11/16/19

Sam Z.

Is b and nb the same item?
Report

11/17/19

Adrian-Eduard P.

i wish they were..but no
Report

11/17/19

Adrian-Eduard P.

that s why i find it pretty difficult..2 equation system with 3 unknowns
Report

11/17/19

Sam Z.

Let the instructor know there's not enough imfo. Don'r forget a decimal is needed on the prices. Is it 11 or 110$? School books are expensive.
Report

11/17/19

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.