Question

how much much money does 8 ten rupee notes and 2 five rupee notes make? What about 7 ten rupee notes and 4 five rupee nots?​

Answer 1

8×10=80

2×5=10

=80+10

=90

7×10=70

4×5=20

20+70=90

Answer 2

Answer

8×10=80

5×2=10

so 80+10

90

7×10=70

4×5=20

so 70+20

90