Marissa just bought 100 acres of land. She wants to grow apple, peach, and cherry trees on her land. Color the model to show how
the acres could be distributed for each type of tree. Using your model,complete the table
2 answers:
You might be interested in
Answer:
- 494
Step-by-step explanation:
Breaking down the summation into it;s component parts
= 4k - k(k + 1) ← substitute k = 19
= (4 × 19 ) - 1.5 × (19 × 20)
= 76 - (1.5 × 380)
= 76 - 570
= 494
