word problem(algebra)
posted by kimi .
a shopkeeper bought 16 boxes of pens.each box contained m pens.10 pens were sold on the first day.
(a) how many pens were left after the first day?give ur answer in terms of m.
(b) if m=5,how many pens were left after the first day?

a. Pt = 16boxes * m pens/box = 16m = Total # of pens bought.
a. Bal. = 16m  10.
b. Bal. = 16*5  10 = 70 pens left. 
Boxes of pens = 16m
Sold pens = 10
A.) 16m  10
B.) 16(5)  10 
Boxes of pens = 16m
Sold pens = 10
A.) 16m  10
B.) 16(5)  10
80  10
= 70
Respond to this Question
Similar Questions

probabliliyiuyiuly...
ok i'd appreciate it if someone could give me the answer to this one problem and tell me how its solved so i can do the rest on my own.... gwen has 4 blue pens, 8 black pens, 2 green pens and 3 red pens in her drawer. she takes out … 
math233
a college bookstore order six boxes of red pens last week. and 70 red pens this week. 4 pens were left on the shelf. how many pens werein each box? 
math
A salesperson bought a caase of pens.On Monday, he sold 1/2 of the pens.On Tuesady, he sold 30 more.On Wednesday, he sold 1/3 of the pens that were left.On Thursday, he sold the remaining 40 pens.How many pens were originally in the … 
pre algebra
A college bookstore ordered 6 boxes of red pens. The store sold 32 red pens last week and 35 red pens this week. Five pens were left on the shelf. How many pens were in the box? 
algebra
A college bookstore ordered six boxes of red pens. The store sold 37 red pens last week and 67 red pens this week. 4 pens were left on the shelf. How many pens were in each box? 
math
A college bookstore ordered six boxes of red pens. The store sold 32 red pens last week and 35 red pens this week. Five pens were left on the shelf. How many pens were in each box? 
Math
An office manager bought 16 boxes of pens, each containing z pens. Workers took 10 pens from the supply room. How many pens were left? 
Maths
A shopkeeper buys a number of blue pens and red pens. He pack 3 blue pens and 2 red pens into a packets for sale. If he wants to obtain 160 packets of the pens he needs another 25 blue pens. What is the total number of the pens bought … 
Maths Year 10 Equations
A shopkeeper bought x pens for $21. a) write down an expression, in terms of x, for the cost, in cents, of each pen b) the shopkeeper gave 2 pens to his sons and sold each of the remaining pens at 8 cents more than he paid for it. … 
math
Three boxes, first box has 12 pens for $25, second box has 50 pens for X cost and the third one has 100 pens for $175 . the cost for pens decreases as increase the number of pens . what the cost for the second box?