Let the price of a carton of juice be j, a fruit cup be f, and a bowl of soup be s. Given: 1. 9j=5f 2. f=w+0.50 3. s=j+0.50 Find the prices j, f, and s.
East's score was 32 of West's in the first meet. In the second meet, East scored 7 more and West scored 7 less, with West's score being 3 less than East's. Find the scores for both teams in each meet.
What does a duck do when flying upside down? Solve these to find the answer: 1. If I+5=6, then I=? 2. If 2U=S, then S=? 3. If 2C=12, then C=? 4. If Q+2=7−T, then Q=? 5. If 5−A=0, then A=? 6. If 3Q=P, then P=? 7. If 2T+2=6, then T=? 8. If K−A+T=C−2, then K=? 9. If U−3=T−1, then U=? Riddle Answer: (substitute numbers for letters)
Two hoses fill a pool: one at x gallons/min, the other at x−15. Find intervals for combined rate x1+x−151≥101. Options: (0,5]∪(15,30]; (0,5]∪(15,30]; (−∞,0)∪[5,15)∪[30,∞); (−∞,0)∪[5,15)∪[30,∞).
In 2003, card usage was 41% and is projected to be 61% in 2011. (a) Find a linear function P(x) for percentage over years.
(b) Estimate when percentage was between 46% and 56%.
In 2003, card use was 37% of purchases, projected to be 57% in 2011. (a) Find a linear function P(x) for year x.
(b) Estimate when P(x) was between 42% and 52%.
Bill wants to save for a café by depositing monthly into an annuity at 3.6% interest. How much to deposit monthly for \$25,000 in 9 years? Round to the nearest cent.