Question

Help meeeeeeeeeeeeeeeeeeeee

Answer 1

25. time = distance/speed

`\displaystyle t=(66.5\,ft)/(105\,(mi)/(h))*(3600\,s)/(h)*(1\,mi)/(5280\,ft)\\\\=(66.5* 3600)/(105* 5280)\,s=(19)/(44)\,s\approx 0.432\,s`

It took about 432 milliseconds for the ball to travel to the batter.

26. 15 cans at Save Rite will cost 5 times the amount for 3 cans, so will be

... 5×$5.25 = $26.25

15 cans at Spend Less will cost 3 times the amount for 5 cans, so will be

... 3×$7.50 = $22.50

Maria paid $22.50 at Spend Less.

27. Simple interest is computed using

I = Prt . . . . where P is the principal, r is the annual rate, and t is the number of years.

Filling in the numbers gives the interest charge.

I = $8000×0.065×4 = $2080

Malik pays back the principal plus interest, so pays $8000 +2080 = $10,080.