During a sale mohamed discounted all shirts in his store by a certain percent . if the shirts normally priced at $15 were marked down to $12 , what would be the marked-down price of a shirt normally priced at $20 ?

c = 0.429t

step-by-step explanation:

the constant rate at which carlos harvests cassava is 35 minutes per 15 cassavas 15/35 = 0.429 cassava per minute

therefore, an equation that models the number of cassava (c) that harvest carlos in a time (t) is the following:

where t is the time in minutes.

this means that when 35 minutes have elapsed 15 cassava have been harvested, at 70 minutes 30 cassava have been harvested and so on.

13664

step-by-step explanation:

=cross multiply

=100 x = 13664