Write the decimal equivalents of these two fractions: 1/8 and 3/4 the decimal equivalent of 1/8 is 1.25, 0.125, or 0.0125 , and the decimal equivalent of 3/4 is 7.5, 0.75, or 0.075

Write a corresponding real world problem to represent 2x - 125=400

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Need on this geometry question. explain how you did it.