Nick has $13.80 to order a pizza. The pizza cost is $7 plus $1.25 per topping. He plans to tip 15% of the total cost of the pizza. Write and solve an inequality to find how many toppings he
can order?

Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)