7/8 + 2/5 what is the answer in simplest form

57 is 75% of what number

a quarter weighs about 0.2 ounce. Naoki has 2 pounds (32 ounces) of quarters. About how many quarters does he have?

A model car has a scale of 3 cm : 2 m. The length of the actual hood of the car is 1 m. What is the length of the model?

Eighteen more than twice a number is 8. Solve for the variable

Kristy spent 4 hours at the gym last week. if 5 over 6 of the time was spent jogging, how much time did she spend jogging?

The price of an article on sale was 70% of the regular price. If the sale price was $28, what was the regular price?

There are 12 players on a new softball team. before the team starts playing games the team must pay a total of $ 572. along with the registration fee, the team will also need to spend a total of $ 1,240 on equipment.

Simplify. 8 (4x-3y-5) - 2 (3x-2) Show how you got the answer

Paula is given a litre bottle of water during her fitness assessment at the gym. She drinks 375 millilitres of the water. How much is left?

Is the transformation an isometric transformation? Explain