Working out the price of one

Difficulty Standard · Set p9jt32

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

1
2 identical pens cost $4.62 altogether. What does one cost, in dollars?
2
4 identical pens cost $35.92 altogether. What does one cost, in dollars?
3
3 identical pens cost $18.87 altogether. What does one cost, in dollars?
4
10 identical pens cost $46.40 altogether. What does one cost, in dollars?
5
8 identical pens cost $68.24 altogether. What does one cost, in dollars?
6
10 identical pens cost $39.50 altogether. What does one cost, in dollars?
7
2 identical pens cost $15.46 altogether. What does one cost, in dollars?
8
8 identical pens cost $25.52 altogether. What does one cost, in dollars?
9
3 identical pens cost $16.14 altogether. What does one cost, in dollars?
10
10 identical pens cost $80.70 altogether. What does one cost, in dollars?
11
2 identical pens cost $2.68 altogether. What does one cost, in dollars?
12
9 identical pens cost $43.92 altogether. What does one cost, in dollars?
13
7 identical pens cost $34.65 altogether. What does one cost, in dollars?
14
10 identical pens cost $50.30 altogether. What does one cost, in dollars?
15
8 identical pens cost $69.84 altogether. What does one cost, in dollars?
16
6 identical pens cost $31.02 altogether. What does one cost, in dollars?
17
8 identical pens cost $37.44 altogether. What does one cost, in dollars?
18
2 identical pens cost $6.42 altogether. What does one cost, in dollars?
19
4 identical pens cost $32.24 altogether. What does one cost, in dollars?
20
6 identical pens cost $13.44 altogether. What does one cost, in dollars?

What is in this set

The numbers in this set run from 2 to 89.7.
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 239 different ones, 100% — 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.