Question

The cost of one pen is 7 then what is the rule for the cost of 'n' pens.
The cost of one bag is 90 what is the rule for the cost of 'm' bags?​

Answer 1

Answer:

for n pens=7n

for m bags= 90m

Step-by-step explanation:

if the value of 1 pen is 7.. means 1*7 ...then value of n pens will be 7n.... means 7*n

if the value of 1 bag is 90.. means 1*90... then value of m bags will be 90m... means 90*m