Circumference of a hula hoop

1) There are three colours of beads in a bag. The ratio of red to yellow beads is 8:3. The ratio of green to yellow beads is 9:2.

Find the missing number. 72: = 9

Todd is 33 years old; his nephew Jacob is 12. in how many years will Jacob be 1.5 his uncle todd's age?

Whats the volume? (ignore the calculator)

The ground temperature at Brigham Airport is 12°C. The temerature decreases by 6.8°C for every increase of 1 kilometer above the ground. What is the temperature outside a plane flying at an altitude of 5 kilometers above Brigham Airport?

Four people in Abe's family are traveling to Canada for their vacation. They have four seat in the center section of the plane. Abe wants to sit next to his brother Ben.

UNIT RATE what is the unit rate of the of (3 ounces every 3/4 cup)

The principal P is borrowed at a simple interest rate r for a period of time t. Find the simple interest owed for the use of the money. Assume 360 days in a year. P=$1000 r=2% t=1 year

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Solve for n. 18 = 2|-n| Write your answers as integers or as proper or improper fractions in simplest form. n = or n =