Answer:
2340 ft.
Step-by-step explanation:
Step 1:
78 : 2 Ratio
Step 2:
39 : 1 Convert
Step 3:
39 × 60 Multiply
Hope This Helps :)
1640
Even, positive integers
2+4+6+8+10+12+14+16+18+20+22+24+26+28+30+32+34+36+38+40+42+44+46+48+50+52+54+56+58+60+62+64+66+68+70+72+74+76+78+80 = 1640
4