Answer:
Step-by-step explanation:
t1 means a1 and t7 means a7
a+(n-1)d=an
a+(1-1)d=4
so we get a as 4
<u><em>a=4</em></u>
a+(n-1)d=an
4+(7-1)d=22
4+6d=22
6d=22-4
d=18/6
<u><em>d=3</em></u>
Y=6-x I believe it would be I hope this helps
Answer:
$51.75
Step-by-step explanation:
percentage of tip times cost of meal= tip
tip plus cost of meal is the formula
15%×$45.00=$6.75
$6.75+$45.00= $51.75