Answers created by koko

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• How do you multiply and simplify #-\frac { 2} { 7} ( - \frac { 1} { 4} )#?
  
• Cole ran 3 miles in 27 minutes . Carson ran 2 miles in 20 minutes. Aaravind ran 5 miles in 35 minutes if each student ran at a constant rate , who is the fastest runner?
  
• A contractor's crew can frame 3 houses in a week. How long it take them to frame 54 houses if they frame the same number each week?
  
• Abdul wants to buy a new bike. The one he likes costs $120, but is marked down 30%. What is the final price of the bike?
  
• Avery had #$25.83# in her wallet. If she bought lunch with #10##1/4# dollars from her wallet, how much money did she have in her wallet after lunch?
  
• How do you solve #x= 3y-1# and #x+2y=9# using substitution?
  
• The balance of your checking account is $86. You withdraw $98. What is your new balance?
  
• How do you evaluate #8-20+(-39)-(-12)+13-48#?
  
• How do you evaluate #k/3+j# if #k=39# and #j=-10#?
  
• 30. Daniel puts some wheat flour into an empty bowl. Then he adds #2/3# cup rye flour to make a total of #2 5/12# cups of flour. How much wheat flour is in the bowl?