A jar contains n nickels and d dimes. There are 30 coins in the jar, and the total value of the coins is $2.20. How many nickels and how many dimes are in the jar?

Which quotient is the same as the quotient 4.85:0.7?

An adidas hat that has a regular price of $15.50 and is discounted 25% (A) what is price of the hat after discount? (B) If the sales tax is 7.5%, how much is the tax (C) What is the total cost of the hat?

Carlos deposited $28.50 into his bank account after making a $20.00 withdrawal to pay for some school supplies, Represent these situations as signed numbers.

Un carpintero vendió 3 sillas más que mesas; pero tanto en las sillas como en las mesas, obtuvo lo mismo. Cuántos muebles vendió si las mesas cuestan S/. 360 más que las sillas y recaudó S/. 9600 en total.

Evaluate [6+3 (-2) ]-6

How long does it take to make a train travel490 im if its at 35 im/h

Which list orders - 3.216, 5.34, - 3.62, - 1.8, 5.4 from greatest to least

To find a baseball pitcher's earned average (ERA), you can use the formula Ei=9r where E represents ERA, i represents the number of innings pitched, and r represents the number of earned runs allowed. Solve the equation for E.

What unit would you to measure the weigh if a chair

What is the following sum? √x^2y^3 + 2√x^3y4 + xy√u