Elliot buy 2 sodas and 4 teas for £5.5. Elise buy 1 soda and 1 tea for £1.75.
Work out the cost of one soda and one tea.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?