All i do is i think of 4+3 which equals 7 and then 6+4 which equals 10 then i put the numbers together.
so my answer is 107
64
43
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107
Answer:

Step-by-step explanation:

Answer: x=5
Step-by-step explanation:
divide both sides by the numeric factor on the left side, then that will give the answer for x
The value of x is 13 for the first attachment.
Im not sure if i am understanding the question correctly...
If you are asking if Jama's mom is correct, then no. she is wrong. this is because
if you take the proportion, (is/of)=(%/100) you get (x/30)=(70/100). You then solve for x which in this case would be 21 students are wearing tennis shoes.
Hope this helps.