28/32 reduces to 7/8
42/48 reduces to 7/8
equivalent fractions are proportionate....so yes, they are proportionate
10 % + 30 % = 40 %
100% - 40% = 60%
60% are red
Multiply total shirts by 60%
80 x 0.60 = 48
48 shirts are red
The last answer is the correct one.
If it does not make sense ask for clarification.
Step-by-step explanation:
Lines that are tangent to a circle are perpendicular to the radius of the circle.
Lines that are tangent to a circle are congruent