Well, the first thing we need to do is divide 10 by 4. These teo numbers are the number of pens, and cost of them. So,
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10 / 4 = 2.5
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Now we have to use the answer we got, 2.5 which is the cost of 1 pen, and multiply it by 7.
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2.5 x 7 = 17.5
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This means that 7 pens cost <span>£</span>17.5
Answer:
61 rows
Step-by-step explanation:
Set up a proportion:
= 
Cross multiply:
22x = 1350
x = 61.36
= approx. 61 rows
What is the question? If you reply with the question and answer choices, I'll be more than welcome to help you.
17 tens is the same as 170 or 34 fives
