Percentage is a fraction where 1 is = 100%
I think this a linear function. The graph has a constant flow of going up. In other words, it is linear.
If you triple the ginger, to be able to keep proportion, you would need triple the nutmeg as well.
"The product" means you're multiplying the two numbers.
"a number" refers to a variable.
"increased" means you're adding.
2x + 7 = -36