640 x 0.30= 192
640-192= 448
448 is the answer
Answer:
28
Step-by-step explanation:
similar triangles are proportional
and add all the sides of the bigger triangle
2(5k+1)
2x5x2+1 =21
K=2 | 21
2x5x3+1 =31
K=3 | 31
Answer:
Ok what's your question? cna you include the graph?
Answer:
60
Step-by-step explanation: