Find a sales receipt from a store that shows the total price and the total amount paid including sales tax. part a: write an equation you can use to find the sale tax rate r. part b: can you use r to find the percent for the sales tax? explain.

Answer

76

Step-by-step explanation:

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594 square inches

step-by-step explanation:

vote !

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)