One chair costs 4 dollars. Find the cost
(a) 3 chairs
(b) 5 chairs
(c) 7 chairs
(d) 9 chairs
(e) 10 chairs

Answers
(a) The cost of 3 chairs = dollars
(b) The cost of 5 chairs = dollars
(c) The cost of 7 chairs = dollars
(d) The cost of 9 chairs = dollars
(e) The cost of 10 chairs = dollars