28 rounded to the nearest 10

Len's recipe for blueberry muffins calls for 110.25 g of brown sugar for the muffin batter and an additional 55.45 g of brown sugar for the topping. Len wants to make 4.5 batches of muffins. Enter the total amount of brown sugar that Len will need.

Carol want each of the curtain she makes to be same length. she started with two pieces of cloth measuring 6.33 feet and 7.75 feet. she cut 1.63 feet off the 6.33 foot piece. how much should she cut frim the second piece?

A rectangle is dilated by a scale factor of 3. What will be the resulting effect on the area?

Without solving the systems, explain why the following systems must have the same solution. System (a) : 4x-5y=13 System (b) : 8x-10y=26 3x+6y=11 x-11y=2

Cristina uses a ruler to measure the length of her math textbook. she says that the book is 4/10 meter long. Ise her measurement in simplest form? If not, what is the length of the book in simplest form?

Assume running consumes 108 calories per mile. If you run 11 - minute mile what is your average power output, in watts, during a 2-hour run?

You find that your watch gain 2 minutes in 6 hours. how will it gain in 3 days?

A car traveled 27.5 miles in 30 minutes how many miles per hour was it travel

In a marketing class of 60 students, the mean and the standard deviation of scores was 70 and 5, respectively. Use Chebyshev's theorem to determine the number of students who scored less than 60 or more than 80.

A store sells a television for $1000. Customers can choose to receive a 10% discount and pay it off with a loan at a simple interest rate of 4%, or they can choose to pay full price and pay it off in 3 years with no interest.