Question

If $1 is equivalent to 0.77 Euros, find the number of Euros equivalent to $20.
Solve the Equation algebraically and check the solution.

Answer 1

1d=0.77e
20d=?e

20/1=20
1 times 20=20

1d=0.77e
times both sides by 20
20d=15.4e

answer is 15.4 euros