Landstrom939 Landstrom939
  • 20-05-2014
  • Mathematics
Answered

The sum of two decimal numbers is 3.9 Their difference is 0.9,and their product is 3.6 What are the two numbers?



Answer :

Ryan2
Ryan2 Ryan2
  • 12-07-2014
let numbers be: x and y

x+y=3.9
x-y=0.9

Adding both

2x = 4.8
x = 2.4

2.4+y=3.9
y=3.9 - 2.4
y = 1.5
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