Question 1 a fence builder uses boards 3 1/2 feet long for the vertical slats on the fence. how many slats can be made from a board that is 42 feet long? a. 6 slatsb. 12 slatsc. 18 slatsd. 147 slatsquestion 2 a string 10 1/2 feet long is cut into 3 equal pieces. how long is each piece? a. 3 1/2 feetb. 3 2/3 feetc. 7 1/2 feetd. 31 1/2 feetquestion 3 sally bought two shirts that cost $6.99 each. the sales tax rate was 7%. what was the total amount sally paid? a. $0.98b. $7.48c. $14.05d. $14.96question 4 ben bought a book for $10.75 and a magazine for $3.99. sales tax was $1.03. he paid with a $20 bill. how much change did he receive? a. $4.77b. $5.23c. $5.77d. $4.23