Answer:
280
Step-by-step explanation:
first make a proportion. 7 over 250= x over 10,000. cross multiply to get 250x=70,000. 70,000 divided by 250 which gets you 280.
B.
15, 19, 20, 25, 25, 28, 29, 30, 35, 37, 38, 43
43-15=28
answer=28 is the range of the data set.
showed my work and everything, hope this helps!!
I think it is 3.50 but wait until someone else answers
£1299.99 to the nearest penny