Question #22360

1. Liam invested some money at 7% simple interest and twice as much at twice the rate elsewhere.If the simple interest income from the two funds totaled 1406.30 then how much was invested in each fund?
2. How many liters of 10% acid solution must be mixed with 5 liters of a 25% acid solution to give 15% solution?
3. The perimeter of a rectangle is 72 meters. If the width is 8 meters less than the length than what is the width of the rectangle?
4. Carl drove for 3 hours on a two lane state road she then increased her speed by 25 miles per hour on the freeway and drove for 6 more hours if the total trip was 510 miles then what was her speed on the freeway?

Expert's answer

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