Respuesta :

[tex]\text { 1 gallon of water = } \dfrac{3}{8} \text { cup of plant food}[/tex]

[tex]10 \dfrac{1}{2} \text { gallons of water = } \dfrac{3}{8} \times 10\dfrac{1}{2} [/tex]

[tex]10 \dfrac{1}{2} \text { gallons of water = } \dfrac{3}{8} \times \dfrac{21}{2} [/tex]

[tex]10 \dfrac{1}{2} \text { gallons of water = } 3\dfrac{15}{16} \text { cups of plant food}[/tex]