Answer: 25 hours
Step-by-step explanation:

8 screens
or

Replace;



Answer:
x= 1±5i/2
Step-by-step explanation:
Answer:
450,000 pounds
Step-by-step explanation:
to round off to the nearest hundred thousand, look at thousand figure - If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero
to be rounded off to 500,000, it means that the thousand figure has to be between 50,000 - 99,000
the least figure would thus be 450,000
Answer~35
Wørk~
2x10=20
20+15=35