Answer:
Net domestic product (NDP) is an annual measure of the economic output of a nation that is calculated by subtracting depreciation from gross domestic product (GDP).
The relationship is c=3/7t
Step-by-step explanation:
The rate of harvesting can be calculated as;
35minutes=15 cassavas
1minute=?
15/35=3/7
For a given time t the total number of cassava harvested(c) will be ;
c=3/7t where c is the total number of cassava harvested and t is the time need to harvest.
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In other words, it's asking what fraction is $6.30 out of $35. So let's make a fraction.

Remember that the fraction sign is a division sign. So 6.30/35 = 6.30<span>÷35, which equals 0.18.
Converting the decimal 0.18 to a percent, multiply by 100 (move decimal two places to the right) and tag the % sign at the end.
0.18 = 18%</span>
Can you please retype the equation for line r? I don’t understand