If \(y\) is tripled and \(15\) is taken away from the result and leaving an answer of \(12\), what is the value of \(y\)?

A shipment of mobile phones consisted of \(5\) crates each with \(100\) phones in each crate. A 6th crate was found which only had \(37\) phones in it. Select the following equation that allows the number of phones to be calculated.

I sold 75 cookie boxes at the shops today. If there are 25 cookies in each box, how many cookies did I sell? (let \(x\) be the number of cookies sold)

9 buses were equally filled with students going to the zoo on Friday for a school excursion. If a total of 249 students attended the zoo but 15 were dropped off by parents, how many students were on each bus? (let \(y\) represent the number of students on a bus)

The perimeter of a rectangle is \(44~\text{cm}\) and its width \(w=8~\text{cm}\).

Let \(l=\) length. Form an equation to determine the length of the rectangle. 

A number has 6 subtracted from it and the result is 20. What is the number?

Alice mixed 620 ml of white paint with some green paint. She mixed 2.45 L of paint altogether. How much green paint did she use?

When a certain number is doubled and subtracted from 40, the result is 16. What is the number?

Mr Jones says, "if you multiply my age by three and add 10, the answer is 133." How old is Mr Jones?

The perimeter of a rectangle is 120 cm and its width is 20 cm. What is the length?

A plumber, charging for a job, uses the formula \(C=102h +52\), where \(C\) is the charge in dollars and \(h\) is the number of hours the job takes. Find the number of hours worked if the charge is \(\$ 1174\).

The volume of a rectangular prism is given by the formula \(V= LBH\). What is the value of \(H\) when \(V=336, L=8\) and \(B=7\).

The weekly profit, in dollars, made by a widget store is given by \(P=4W-800\), where \(W\) represents the number of widgets sold. Find the number of widgets sold if the profit is \(\$ 480\).

Jack is 6 years older than Jill. If the sum of their ages is 18, find their ages.