45% of the class is on team bravery. if team bravery has 81 students, how many students are in
the whole class?

There are 180 students.

Step-by-step explanation:

45% divided by 9 is 5%. Since 45%=81, 81/9=9.

5% times 20=100%. 9x20=180.

answer: 12,000

step-by-step explanation: first you ar e supposed to add. then multiply then subtract

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.