Answer:
20 pizzas.
Step-by-step explanation:
40% = 8
1% = 8 ÷ 40 = 0.2
100% = 0.2 x 100 = 20
3x+4
3×(-2)+4=-10
3×(-1)+4=-8
3×0+4=4
3×2+4=10
3×1+4=8
D∩L={f}
D∪L={a,f,g,j,k}
Answer: 13/21
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