This is really tricky! Let's see if you can get this. And please answer the questions.?

Question

1) 7 5/7% of 17.7-21/9+2.3
2) Divide product of first 5 positve compostie integers by product of next 5 composite integers. Express as fraction.
3) You and I started a 120mile bike race at the same time. You cycled 23.9 mph while I cycled 24mph. When I crossed the finish line, how many miles were you from the finish line? Express as decimal to nearest tenth.
4)The average American consumes 1483 lbs of candy in a lifetime. Assuming 1 year= 52 weeks and the average life span is 75, how many lbs of candy per week does the average American consume? Express as decimal to nearest hundredth.
5) One tablet of calcium contains 25% of the recommended daily dose for an adult. A bottle of calcium tablets contains 500 tablets. Mrs. Marsh gets 25% of her calcium from her diet and the rest from the tablets. If Mrs Marsh gets exactly 100% of recommended daily dose of cacium each day, how many full weeks will one bottle last?

Answer 1

1)
(7 5/7 * 17.7) /100 - 21 / 9 + 2.3

1 3487/10500

2)
4 x 6 x 8 x 9 x 10 / (12 x 14 x 15 x 16 x 18) =
1/42

3)
.5 mile

4)
.38 lb

5)
She uses 3 tablets per day
500 tablets will last 166 days or 23 full weeks