How could you calculate 23% of a number explain

Evaluate 2 - q for q = -19.

2/5 of the fish in gary's fish tank are guppies. 1/4 of the guppies are red. What fraction of the fish in Gary's tank are red guppies?

A keyboard that costs $475 is marked down 15%. what is the reduced price of the keyboard

Convert the following fraction to percentage 5/12

Descompuneti in factori: (5x-2) la patrat

What property is this in math 6 + (4+x) = (6+4) + x

Michelle lives with 2 brothers, 3 sisters, her mother, and her father. including Mitchell, 3/4 of her family likes to go swimming. How many people like to go swimming in Michelle's family?

Ten friends share 6 pizzas equally. What fraction of a pizza does each friend get?

If the average of the numbers 3, 4, x, y, and 2 is 4, what is the value of x+y?

Molly bought a case of bottled water at the store. The case contains 48 bottles. Molly knows that she will drink 3 bottles of water each day and plans to restock her supply of water once she has fewer than 10 bottles left.