Percent
Where percentages show up in real life
2 live exhibits. Each one already works. Change a number and see what happens.
Open as board Play with these together. Solving one grows related exhibits.
PercentSale price and tax: what you really pay
30% off, then tax on top. Percent math decides the number at the register.
Linear EquationsVoltage drop: what the wire takes before the load gets it
Current times wire resistance is voltage you never get to use.