# System of equations + direct relationship - practice problems

#### Number of problems found: 24

- Gear

Two gears, fit into each other, has transfer 2:3. Centres of gears are spaced 82 cm. What are the radii of the gears? - Pool

If water flows into the pool by two inlets, fill the whole for 19 hours. The first inlet filled pool 5 hour longer than the second. How long pool take to fill with two inlets separately? - Function

For linear function f(x) = ax + b is f(14)=179; f(15)=154. Calculate m, if f(m) = 2019 . - Ratio

6 numbers are in the ratio 1:5:1:5:5:5. Their sum is 242. What are the numbers?

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Do you have a system of equations and looking for calculator system of linear equations? System of equations - practice problems. Direct relationship - practice problems.