Miss Becky baked some cookies. Then she brought 25% of them to her company. At the company, she gave 40% of what she brought to her colleagues and left 30 cookies for herself. How many cookies did she bake?

How much is 3 1/2 - 2 5/7

What is the least common multiple (LCM) of 3 and 4?

A freelance computer consultant keeps a database of her clients, which contains the names S = {Acme, Bakers, Cores, Dual, Energy, Flavour, Global, Hilbert}. These clients owe her money: A = {Acme, Cores, Energy, Global}.

30 marbles in a bag. 10% of them were blue and 60% of them were red. The rest are yellow. How many of the marbles are yellow?

What is 2/3n - 2/3=n/6+4/3

What is the absolute value of |x| < 3

Many factors need to be considered when buying a car, including style, color, gas mileage, and cost. Examine these choices and determine which represents a compound event.

Bus A and Bus B leave the bus depot at 8 am. Bus A takes 25 minutes to do its route and bus B takes 35 minutes to complete its route. At what time are they both back at the bus depot together? Give your answer as a 12-hour clock tim

Which type of star system has the MOST stars? Open cluster Globular cluster Eclipsing binary Binary star system

You paid $28 in tax when you bought a $350 bike. What was the percent tax?