Answer:
your new balance is $689.
Step-by-step explanation:
1.) subtract 49 from 751, then subtract 36 from that amount then 125 from that amount.(your balance at this point should be 541.)
2.) add 148 to 541 which should make you nee balance be 689
We have an equation: 432/?= 3/5
Cross multiply:
3*?= 432*5
⇒ ?= 432*5/3= 720
720 students use regular pencils~
The answer will be 7x^2 + 5x
