In a group of Year 9 students, the ratio of boys to girls is 9 : 7. There are 4 more boys than girls in this group. How many stu
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Answer:
Step-by-step explanation:
Know that:
Starting for (0,0) count how many times you go up to the marked line (which is 2)
The [+] 2 is where you would start off at on the graph, with 1/2 being the slope go up one and over two.
