A quarter of the learners in a class have blond hair and two thirds of the learners have brown hair. The rest of the learners ha
ve black hair. How many of the learners are there in the class if 9 of them have blond hair?
1 answer:
Answer:
I'm pretty sure there is 36
Step-by-step explanation:
since 1/4 of them being blond and there is 9 of them do 9×4. hope this is right and helps.
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The answer is 9.48. also I rounded
Answer:
Option C is the answer
A*a + b*b = c*c
9*9 + 12*12 = c*c
81 + 144 = c*c
225 = c*c
✓225 = 15
c = 15
The hypotenuse is 15.
