Answer:
1:2
Step-by-step explanation:
Let's say there are x males and y females in the class.
The sum of all male weights will be 72x, and the sum of all female weights will be 60y.
If we get a class mean weight, we have:
(72x + 60y) / (x+y) = 68
72x + 60y = 68x + 68y
4x = 8y
y / x = 4/8 = 1/2
So the ratio of females to males is the class is 1:2
ANSWER
EXPLANATION
The given inequality is:
We solve the corresponding quadratic equation to obtain,
This implies that;
We use the number line to solve the inequality as shown in the attachment.
<span>Since 1' = 12'', so the scale 1/4'' to 1' is 1/4'' to 12'', or, multiplying both sides by 4, 1 to 48. </span>
<span>Convert all dimensions given from foot/inches to inches, then scale them down, dividing by 48. </span>
10ft 6in=10*12+6=126+6=132 dividing by 48. 132/48=2.75/48=0.0572*1000=57.2 inches
<span>18' 8'' = 18 * 12 + 8 inches = 216 + 8 = 224 inches. Dividing by 48: 224/48 = 4 32/48 = 4 2/3 inch*1000=66.6
</span>
Answer:
4800
Step-by-step explanation:
