Zainab thinks of a number.
(a)She multiplies her number by 5, then adds 7. The result is 47. Write down an equation in z to represent this, where z is Zainab's number. (1 mark)(1)
(b)Solve your equation to find the value of z. (2 marks)(2)
(c)Zainab's friend Connor's number is 4 more than three times Zainab's number. Find Connor's number. (1 mark)(1)
(Total for Question 23 is 4 marks)