A store is selling ribbon by the yard. Mike bought 8 yards of red ribbon. Each yard cost 3.50. complete and solve the working equation that represents the amount, a, mike paid for buying 8 yards of ribbon

The amount Mike paid for buying 8 yards of ribbon can be represented by the equation:

a = 8 * 3.50

Simplifying,

a = 28.00

Therefore, Mike paid $28.00 for buying 8 yards of ribbon.