added \small{} to eqs

wiki/pages/entrepreneurship.html

@@ -240,7 +240,7 @@
 
 <p>
 $$
-\text{nº of cells in 1 plant} \times \text{nº UCYN-A2/cell} \times \text{UCYN-A2 fixation rate} \times \text{conversion rates} = 211.65 \text{ mg/day}
+\small{\text{nº of cells in 1 plant} \times \text{nº UCYN-A2/cell} \times \text{UCYN-A2 fixation rate} \times \text{conversion rates} = 211.65 \text{ mg/day}}
 $$
 </p>
 
@@ -255,8 +255,7 @@ $$
 
 <p>
 $$
-\text{nº ha of maize} \times \text{N}_2 \text{ application rate} \times \text{conversion to urea fertilizer} \times \text{price of fertilizer} = 23.6 \text{M euros}
-$$
+\small{\text{nº ha of maize} \times \text{N}_2 \text{ application rate} \times \text{conversion to urea fertilizer} \times \text{price of fertilizer} = 23.6 \text{M euros}}$$
 </p>
 
 <p>
@@ -265,7 +264,7 @@ $$
 
 <p>
 $$
-\dfrac{\text{N}_2 \text{ needed/ha} \times \text{nº plants/ha}}{\text{days of growing season}} = 15.2 \text{ mg N}_2/\text{ day}
+\small{\dfrac{\text{N}_2 \text{ needed/ha} \times \text{nº plants/ha}}{\text{days of growing season}} = 15.2 \text{ mg N}_2/\text{ day}}
 $$
 </p>