(21x-3)+21=23x+6 solve
2 answers:
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Step-by-step explanation:
Firstly we need to ratio the fertilizer to plant food:
Lets add these two values together:
So now we know one of each, we can divide the above value into 42 to find out the amount:
42 ÷ = 8
So this means that 8 portions of each can be used. This can calculate the full ratio by multiplying each ratio by 8:
=
12 : 30
You have not included the statements although I hope you can decide which statement is true via the explanation above, feel free to comment the different statements if need be.
Hope this helps!