Answer:
1640
Step-by-step explanation:
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
1) 3x+3y-12
2) 4a-4b
4) 7t-98
5) 6x-54
7) 8m-4n
8) -3x+18y
14
she bought 11 cookies and 1 mince pie
Manny will need an 94.
85 x 4 =340
82 x 3= 246
340-246= 94.
Answer: 805 tens would be 8050
