exam Maths Puzzle Numerical Ability

The sales tax is $49 for a dining room table that costs $1225. Find the sales tax rate?

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Mike inherits $ 125400 and invest them on two certificate of deposit one paying 4.5% and the other 7% simple annual interest. If the interest Mike receives is for the amount of $ 7 Solve: 17-4x/12=5






An 80-pound grass seed mixture is 30% bluegrass seed. How many pounds of seed containing no bluegrass seed (0%) should be added to the seed mixture for a resulting blend that is 20% bluegrass seed?