Material cost of a computer is five-eights of total cost, and labour cost is one-third of material cost. If labour cost is $20, what is the total cost of the computer?

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Ineed me i stuck and i don’t want to get it wrong

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.