Answer:
D.Mica spent $45.50 on 7 wiffle ball sets. How much does it cost for one set?
Explanation:
A.Cost of 1 gallon=3.79
Cost of 10.3 gallon=
![3.79* 10.3=39.037](https://img.qammunity.org/2021/formulas/mathematics/high-school/z8z0ypmyttb1bx7jndnr6g7x92gqgatute.png)
It can not be solved b y division of decimals.
B.Let x be grade got by Maria in her next test.
Grades obtained by Marian in her 4 previous test are given by
75.3,92.1,78.6 and 81.0
According to question
![75.3+92.1+78.6+81.0\geq 400](https://img.qammunity.org/2021/formulas/mathematics/high-school/ngs42h5xolz68bvfbevsycqa397t7o2h7h.png)
![327+x\geq 400](https://img.qammunity.org/2021/formulas/mathematics/high-school/crw0tf2wkrb4on92nhxqz097bqqxt9mk4v.png)
![x\geq 400-327](https://img.qammunity.org/2021/formulas/mathematics/high-school/btbjlrq28bnzniad0pm23wnnzvrarrm0zf.png)
![x\geq 73](https://img.qammunity.org/2021/formulas/mathematics/high-school/zttdtgogtchjpumj70xyiecttb9xpi4t4d.png)
It can not be solved b y division of decimals.
C.Helena saved money=$45
Cost of dress=$78.00
78-45=33
She needs to save $33 more.
It can not be solved b y division of decimals.
D.Cost of 7 wiffle ball sets=$45.50
Cost of 1 ball set=
$6.5
It can be solved b y division of decimals.
Option D is true.
D.Mica spent $45.50 on 7 wiffle ball sets. How much does it cost for one set?