4 1/4 +2 2/4 =6 3/4=total time
54/6.75=$8 per hour
Answer:
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Step-by-step explanation:
<span>(7 x 10^−12)(4 x 10^5)
= (7x4) x 10^-7
= 28 x 10^-7
= 2.8 x 10^-6</span>
Answer:
70ml
Step-by-step explanation:
concentrate is half of water ( 140/2=70)
3 parts of 70ml in total (210ml )
2 parts of water-----------70+70 of water= 140
1 part of concentrate 70 of concentrate
Answer:
lolololololololololololol
Step-by-step explanation:
lololololololololololol