A family buys groceries for $156.21, including $10.66 in taxes. The bill includes $21.39 worth of items that are not taxable. Find the sales tax rate. Round your answer to the nearest tenth of a percent. Please answer quick

this is not the answer this is just a question. is this middle school math?

step-by-step explanation:

answer: c

because if you look at the chart you can see a pattern and compare it to the question he simplify out your

but i think the formula is f(x)=6x

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it