Arectangle is 3 times as long as it is wide. the perimeter is 60cm. find the dimemions of the rectangle. round to the nearest tenth if necessary.

a. 7.5 cm by 22.5 cm
b. 7.5 cm by 52.5 cm
c. 20 cm by 60 cm
d.15 cm by 22.5 cm

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6