SOLUTION: Shop A had twice as many laptops as Shop B.
After Shop A sold 450 laptops, Shop B had 3 times as many laptops as Shop A.
How many laptops did Shop A have at first?
Algebra.Com
Question 965980: Shop A had twice as many laptops as Shop B.
After Shop A sold 450 laptops, Shop B had 3 times as many laptops as Shop A.
How many laptops did Shop A have at first?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
ASSIGN VARIABLES
a, how many in shop A
b, how many in shop B
-
USE DESCRIPTION
in store A;
None sold in store B;
CREATE EQUATIONS or SYSTEM OF EQUATIONS
SOLVE SYSTEM
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