Question

A children's gift store sells gift certificates in denominations of ₹40 and ₹100. The store sold 'm' ₹40 certificates and 'n' ₹100 certificates worth ₹1000 on a Saturday afternoon. If 'm' and 'n' are natural numbers, set up the equation and find the number of certificates sold of each type if total certificates sold were 13.

Answer 1

Answer:

5card sold of 40rs

8 card sold of 100rs

Step-by-step explanation:

please rate brainliest answer if it was helpful

40m + 100n = 1000

m + n=13

or

4m +10n=100

n=13-m

4m+10(13-m)=100

4m+130-10m=100

6m=30

m=5 ans

m+n=13. (m=5)

5+n=13

n=8 ans