Olivia was trying to put some files on her flash drive. If she had one file that was 1.65 mb and another file that was 6.7 mb, what is their combined file size?

Billy ate a snack with 66.34 total calories. If the chips he ate were 31.74 calories, how many calories were in the rest of his snack?

Frank was weighing the amount of candy he received for Halloween. If he received 8.99 kg and his brother received 7.3 kg, how much candy did they get all together?

Cody was checking how much power his lights used. His first light by itself used 87.383 amps. When he turned on the second light, together they used 150.587 amps. How many amps did just the second light use?

Haley was measuring how much taller she got over two years. In the first year she grew 5.44 cm. In the second year she grew 10.9 cm. How much taller did she get altogether?

On Monday and Tuesday the lake received 11.22 inches of water. If it received 3.42 inches on Monday, how much did it receive on Tuesday?

Edward was making some brownies and cupcakes for his school fundraiser. If the brownies needed 1.17 cups of sugar and the cupcakes needed 1.2 cups, how much sugar would he need altogether?

Will and Carol were running a relay race. The race was 35.7 kilometers total. If Will ran 18.20 kilometers, how far did Carol run?

During a science experiment, Mary found the mass of two rocks to be 20.801 grams and 100.346 grams. What is the total mass of these two rocks?

Sarah was baking cookies and muffins for a party. If the cookies required 2.35 cups of flour and the muffins needed 1.75 cups, how much flour did she use in total?

During a road trip, Emma drove 120.5 miles on the first day and 135.75 miles on the second day. What was the total distance she drove?

Lucas was filling his aquarium with water. He added 15.6 liters in the morning and 20.4 liters in the evening. How much water did he add in total?