Answer:
510
Step-by-step explanation:
20% of (20x70) is 280
so adding that by the 230 the coffee machine costs you got your self 510pounds
1) 70,000
2) 46,000
3) 2,650
4) 1,780
B −1.3−(4.9+2.6)
B
(x+2)(x^2+1)
=(x+2)(x+1)(x+1)
The first one isnt equivalent
