301 round to the nearest ten

Tom is selling knockoff handbags to make a profit. His supplier charges him $200 to ship plus $10 per bag. He intends to sell them for $80 per bag. What is the minimum number of bags he must sell on the bus ramp to make a profit?

For how many three digit numbers (100 to 999) is the sum of the digits even? (For example, 343 has an even sum of digits: 3 + 4 + 3 = 10 which is even.) Find the answer and explain why it is correct in at least two different ways.

Consider the inequality - 5 (x+7) < - 10. write an inequality representing the solution for x

What's the surface area of a rectangle if it's 5 by 10 in

Mark layered 3 pieces of wood to build the base for a lamp. The pieces were 1/4 inch thick, 5/8 inch thick, and 3/16 inch thick. How thick was the base for the lamp?

Show the formula for finding the area of a triangle. Then find the area of a right triangle with a base of 19 cm and a height of 6.5 cm.

A snail crawl 4 m in 1 hour how many centimeters will the snail crawl in 2 hours

The busty bee book club charges an annual membership fee of $10 and $4 per book you order. what will be your total cost of being in this club when you order 9 books? write an function rule for the total cost C (n) when you order n books.

If y = 12x, which table shows the values of y for different values of x? x 0 2 4 y 0 14 16 x 0 2 4 y 0 24 48 x 0 2 4 y 0 6 3 x 0 2 4 y 0 12 24

How do i find 20*50 using mental math