Answer:
Mary is 7
Step-by-step explanation:
If their ages combined equals 21 and john is twice Mary’s age then johns age takes up 2/3 of 21. that would b 14. 14 is 2 x 7. and Mary is 7. 14+7=21. Mary is 7 years old
It would be 3.667 for 11/3 and for 5/6 it would be 0.8333333333
Answer:
Measurements were needed for multiple things, such as agriculture, construction, and trade. Also, many areas developed their own systems for measuring objects making it difficult as people from different places had different results. Eventually, the same system was adopted by the majority of people.
Step-by-step explanation:
Answer:
the answer is 1.713 x 106
Step-by-step explanation:
Answer:
414
Step-by-step explanation:
So the first thing you do is to see if 8 can go to two yes right so it's 4 and then you have two left but going to be 1 and then you have to put the 1 on the top and then you have 8 left and that's 4 and that's it