Question

PLZZ DO THE 2ND SUM I WILL FOLLOW U AND MARK U AS BRAINLIEST IMPROPER ANSWER WILL BE REPORTED

Answer 1

R=(4800 pens)/(80mach•5hrs)

R=12 pens/(mach-hr)

12 pens are made by one machine in one hour.

P=(12 pens/(mach-hr))•

(25 mach)(7 hrs)

note the units of machine and hours cancel

P=2100 pens

2100 pens are made by 25 machines in 7 hours

Answer 2

80 machine can produce=4800 mobiles in 6hours

mobile can produce by one machine in one hour=4800÷80÷6

=10

mobile can be produce by 25machine in 5hours=10×25×5

=1250

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