Working out the price of one

Difficulty Starter · Set wx3swm

Fill in what you can and press Check. Nothing you type is sent anywhere.

1
5 identical pens cost $15.45 altogether. What does one cost, in dollars?
2
4 identical pens cost $10.96 altogether. What does one cost, in dollars?
3
7 identical pens cost $15.05 altogether. What does one cost, in dollars?
4
6 identical pens cost $21.06 altogether. What does one cost, in dollars?
5
3 identical pens cost $10.23 altogether. What does one cost, in dollars?
6
3 identical pens cost $8.25 altogether. What does one cost, in dollars?
7
6 identical pens cost $11.76 altogether. What does one cost, in dollars?
8
5 identical pens cost $16.90 altogether. What does one cost, in dollars?
9
6 identical pens cost $18.54 altogether. What does one cost, in dollars?
10
3 identical pens cost $4.47 altogether. What does one cost, in dollars?
11
2 identical pens cost $3.90 altogether. What does one cost, in dollars?
12
10 identical pens cost $28.00 altogether. What does one cost, in dollars?
13
9 identical pens cost $26.28 altogether. What does one cost, in dollars?
14
3 identical pens cost $4.47 altogether. What does one cost, in dollars?
15
8 identical pens cost $12.40 altogether. What does one cost, in dollars?
16
6 identical pens cost $10.14 altogether. What does one cost, in dollars?
17
10 identical pens cost $26.90 altogether. What does one cost, in dollars?
18
7 identical pens cost $8.96 altogether. What does one cost, in dollars?
19
10 identical pens cost $28.80 altogether. What does one cost, in dollars?
20
6 identical pens cost $9.06 altogether. What does one cost, in dollars?

What is in this set

The numbers in this set run from 2 to 39.6.
A careful solution takes 2 written steps on average.
The mistake this set invites most often, in 100% of the problems: the total was multiplied; one of them costs the total shared between them.
Answers are an amount with two decimal places.

Drawing 240 problems from this page produced 229 different ones, 95% — so a sheet of 20 is a new sheet almost every time.

The same skill, harder or easier

We would put this in front of a grade 5 class. That is our judgement, not a standard, and it is printed here so you can disagree with it. Everything else we put in that year.