ALGEBRA
1.
Alfred spent $c and had $13 left.
(a) Express the sum of money he had at first in term of c.
(b) If c = 6, find the sum of money he had at first.
2.
Jennifer has 60 clips. She has j clips more than Lynn.
(a) Express the number of clips Lynn has in terms of j.
(b) If j = 17, find the number of clips Lynn has.
3.
Four boys have k kites each.
(a) Express their total number of kites in terms of k.
(b) If k = 7, find their total number of kites.
4.
The total length of t pieces of identical ribbon is 30 m.
(a) Express the length of each piece of ribbon in terms of t.
(b) If t = 5, find the length of each piece of ribbon.
5.
Don has e magazines. Daniel has e more magazines than Don. Jack has 15 fewer magazines than Daniel.
(a) Express the number of magazines Jack has in term of e.
(b) If e = 11, find the number of magazines Jack has.
6.
There are 7 shelves. Audrey puts h dolls on each shelf and the remaining 36 dolls in a drawer.
(a) Express the total number of dolls Audrey has in terms of h.
(b) If h = 9, find the total numbers of dolls Audrey has.
7.
Billy’s father and mother gave him $11 and $n respectively. Billy spent the money in 6 days.
(a) Express the average sum of money he spent each day in terms of n.
(b) If n = 25, find the average sum of money he spent each day.
8.
Ally made 80 pies. y pies were burnt and she threw them away. She divided the remainning pies into 6
boxes equally.
(a) Express the number of pies in each box in term of y.
(b) If y = 14, find the number of pies in each box.
9.
Kevin has 24 key chains. Edwin has half as many key chains as Kevin. Paul has f times as many key chains
as Edwin.
(a) Express the number of key chains Paul has in terms of f.
(b) If f = 5, find the number of key chains Paul has.
10. Alvin had $10x. He had $24 less than Claire. Linda had half as much as Alvin. They bought a birthday cake
for their mum which cost $(4x+5).
(a) How much did they have altogether at first? (Give your answer in terms of x in the simplest form.)
(b) If x = 7, how much did they have left in total after buying the birthday cake?
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