Based upon previous success, carl posts two products on facebook. each of them costs $10. if 3,000 of his friends buy both products and another 4,500 buy one product, how much will carl make?

Carl will make $10500

Step-by-step explanation:

Carl posts two products . Each of them costs $10

Cost of 1 product = $10

Cost of 2 products = 10+10 = $20

3,000 of his friends buy both products

Cost for 3000 friends =

                                    =

Another 4,500 of his friends buy one product

Cost for another 4500 friends who buy one product =

                                    =

Total earning of Carl = 60000+45000=105000

Hence Carl will make $10500

s

step-by-step explanation:

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.