Mathematics, 03.12.2020 22:40 bamagirl3871
A truck is working to carry a batch of goods including sand and
stone but it can only carry 20 tons at most. The carriage
charges of each ton of sand and stone are 10 and 15 dollars
respectively. Its owner wants to earn at least 250 dollars. Write
a system of inequalities to express this situation. What is the
least possible number of tons of stone the owner needs to
carry to meet his own goal?
tons
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A truck is working to carry a batch of goods including sand and
stone but it can only carry 20 tons...
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