Question

If x+ y=60 and x-y=12 what is the value of x and y

Answer 1

x+y=60..1eq

x-y=12....2eq

add eq. 1&2

2x=72

x=31

Put x=31 in eq 1

31+y=60

y=29

Answer 2

Answer:

Find the product of the greatest 3-digit number and the smallest 2-