Sarah competes in a long jump competition.
Her first jump is 4.25m.
Her best jump is 12% more than this.
However, her best jump is 15% lower than the winning jump.
Work out the length of the winning jump.
5.6
5.6 is the answer
To solve this problem, we need to follow these steps:
Step 1: Find Sarah's best jump.
- Sarah's first jump is 4.25m.
- Her best jump is 12% more than her first jump.
To find Sarah's best jump, we need to calculate 12% of her first jump and add it to her first jump:
Best jump = 4.25 + (12% of 4.25)
= 4.25 + (0.12 * 4.25)
= 4.25 + 0.51
= 4.76m
Step 2: Find the winning jump.
- Sarah's best jump is 15% lower than the winning jump.
To find the winning jump, we need to calculate 100% (the full value) minus 15% of Sarah's best jump:
Winning jump = Sarah's best jump / (100% - 15%)
= 4.76 / (1 - 0.15)
= 4.76 / 0.85
= 5.60m
Therefore, the length of the winning jump is calculated to be 5.60 meters.
23.66
thanks Ms.sue
4.25 + 0.12*4.25 = 4.76 m. = Her best.
4.76 + 0.15*4.76 = Winning jump.