Calcualate 40% (0.40) times 20 to get that there are 8 boys in the class. The rest must be girls, so 20 - 8 gives you 12 girls. 25% (0.25) times the 8 boys gives you that 2 of the boys wear glasses. 50% (0.5) times the 12 girls tives you that 6 girls wear glasses. Add together the 2 boys and the 6 girls that wear glasses to get that a total of 8 students wear glasses.
Answer:
=5.385 (must look at the requirement of the test as how many decimal...)
Step-by-step explanation:
the squared is equal to 29 means area=29
square has four side equal.
Area=side * side
24. 49489743 or 24 and 1/2 approximate
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