Answer:
It would be in the $3.30 or lower zone
Step-by-step explanation:
The ratio of areas is the square of the scale factor, so that factor is
√(320/180) = 4/3
Step-by-step explanation:
<h3> cookbooks : novels </h3><h3> 2 : 11 </h3><h3> So 6 : 33 </h3>
<h3> cookbooks : reference books </h3><h3> 3 : 4 </h3><h3> So 6 : 8 </h3>
novels : cookbooks : reference books
<h3> 33 : 6 : 8 </h3>
80%x + x = 216
0.8x + x = 216
1.8x = 216
x = 216/1.8
x = 120
hope this help