One number is one-third another. write an expression that represents the greater number.

3y

Step-by-step explanation:

To write an expression, define variable. x will be "another number". This means "one number that is 1/3" is 1/3 * x.

1/3 x represents the smaller number.

To represent the larger number, use the inverse or reciprocal. y will be the smaller number. The larger number will be 3*y or 3y.

rectangle: 9 1/8 x 4 1/9 = 37 37/72in

parallelogram: b times h= 10.3 x 6.2 = 63.86

trapezoid: a+b/2 times h= 42.5

volume of prism: l times w times h= 36

step-by-step explanation: