In a population of grasshoppers, the ratio of grasshoppers with a white marking to those without a white marking is 2:3. An ento

Question

3 years ago

12

In a population of grasshoppers, the ratio of grasshoppers with a white marking to those without a white marking is 2:3. An ento

mologist captures and photographs 290 grasshoppers. How many photographs are likely to show grasshoppers with a white marking?
A. 193
B. 58
C. 112
D. 116

Mathematics

1 answer:

LekaFEV [45] · Answer 1 · 2022-07-25T05:54:21+03:00

LekaFEV [45]3 years ago

3 0

Answer:

D. 116

Step-by-step explanation:

Let the grasshoppers with a white marking be 2x.

Let the grasshoppers without a white marking be 3x.

2x + 3x = 290

5x = 290

x = 290 / 5

x = 58

The grasshoppers with a white marking

= 2x

= 2 ( 58 )

= 116