• 2021 December(E23) Math Question 34

    Word Problems

    - Cost

    Sales tax
    Choice H

    Sum of all items including tax is

    Total  cost  of  5  items=$18.55Total\; cost\; of\; 5\; items=\$ 18.55

    Let S be cost of items excluding tax:

    S(1.06)=$18.55S(1.06)=\$18.55 S=\frac\{\$18.55}{1.06}=\$17.50 Cost  of  4  items=6+2+4+3=$15Cost\; of\; 4\; items=6+2+4+3=\$15 ∴Bag  of  balloons=$17.50−$15=$2.50\therefore Bag\; of\; balloons=\$17.50-\$15=\$2.50

    Skills you are tested for:

    Was this explanation helpful?

    • Comments

    To leave a comment,