Answer:
6 gallons
Step-by-step explanation:
30-----------4
45------------x
30x = 45x4
30x=180
x=6
A shortcut:
45 is ( 30+ half of 30)
( 4 + half of 4) = 4+2 =6
6 gallons
[tex]Assuming\ that\ it\ will\ take\ x\ gallons\ waters[/tex]
[tex]to\ water\ 45\ plants.[/tex]
[tex]4:30=x:45[/tex]
[tex]30x=4\times 45[/tex]
[tex]30x=18[/tex]°
[tex]x=180\div 3\\ x=6[/tex]
[tex]\left\{If\right.\ a:b=c:d,\ then\ ad=\left.\ bc\right\}[/tex]
I hope this helps you
:)
