Math Achievement
نص القصة المصورة
- I bought my skateboard for 40% off, while the discount was $18
- Your skateboard is cool! How much did you get it for?
- Simple! I'll show you right now!
- How did you know the original price of the skateboard?
- RAISE
- MATH
- Hillary bought a skateboard at 40% of the regular price. The discount on the skateboard was $18. What was the regular price of the skateboard? $42 $44 $45 $48
- MATH
- RAISE
- Achievement project for Amber, Chanelys, and Alberto.
- Hillary bought a skateboard at 40% of the regular price. The discount on the skateboard was $18. What was the regular price of the skateboard? $42 $44 $45 $48
- RP
- MATH
- RAISE
-
- Hillary bought a skateboard at 40% of the regular price. The discount on the skateboard was $18. What was the regular price of the skateboard? $42 $44 $45 $48
- RP
- This is an example you could use to find out the solution to my problem!What we are trying to find is the regular price of the skateboard I bought. The question type is RP(Ratios and Proportions). We will use the systems RAIN, and MATH.
- No problem! just always remember tp use RAISE and MATH systems to break down your problem to make it easier!
- Wow so the original price was 45 dollars! That's an incredible discount! But thank you for explaining it to me!
- moneypercent
- So we have to create a MATH table, and input the given amounts. $18 dollars converted into a percent connecting with the given total(100) is 40%. The original in percentile is 100, but we have to find the original in dollars. So we will use cross multiplication.
- Discount1840
- OriginalX100
- moneypercent
- So we multiply 18 by 100 as they are across each other on the table. And then we multiply 40 by x which is unknown. 18 multiplied by 100 is 18,000 and 40 by x is 40x. We then divide by 40 to isolate the variable and we get x = 45. Which indicates that 45 was the original price!
- Discount1840
- OriginalX100
- 18(100) = 40(x)18,000 = 40x18,000/40 = 40x/40x = 45
- In the end remember the systems of RAISE and MATH!
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