Question

A bottle and a cork together cost $1.20. if the bottle causes $.90 more than the twice the cork. how much does the core cost how much does the bottle cost

Answer 1

The bottle costs $1.10 and the cork costs $0.10.

Explanation:

x = cost of the bottle in cents

y = cost of the cork in cents

x + y = 120

x = 2y + 90

Solve the system of equations with substitution or elimination. Using substitution:

2y + 90 + y = 120

3y + 90 = 120

3y = 30

y = 10

x = 110

The bottle costs $1.10 and the cork costs $0.10.

Answer 2

The bottle cost 90 cents and the cork costs 30 cents

Explanation:

30 + 90 = 120