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===Equation===
====Equation 1====
<math>v = \fracdfrac{x}{t}</math>
Where
| style="height:20px; width:300px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers into the [[equation]] and [[Solve (Maths)|solve]].'''
<math>v = \fracdfrac{x}{t}</math>
<math>v = \fracdfrac{0.75}{1.2}</math>
<math>v = 0.625m/s</math>
| style="height:20px; width:300px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers into the [[equation]] and [[Solve (Maths)|solve]].'''
<math>v = \fracdfrac{x}{t}</math>
<math>v = \fracdfrac{63}{15}</math>
<math>v = 4.2m/s</math>
| style="height:20px; width: 300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
<math> \lambda = \fracdfrac{340}{700}</math>
<math> \lambda = 0.48571m</math>
| style="height:20px; width: 300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
<math> \lambda = \fracdfrac{630 \times 10^6}{3 \times 10^8}</math>
<math> \lambda = 2.1m</math>
| style="height:20px; width:300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
<math> f = \fracdfrac{3.0 \times 10^8}{0.051}</math>
<math> f = 5882352941Hz</math>
| style="height:20px; width:300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
<math> f = \fracdfrac{5000}{0.125}</math>
<math> f = 40000Hz</math>
|}