D. Sheena, Helen and James save some money.
Sheena has £15 more than Helen.
James has twice as much as Heler
Altogether they have saved £72
How much did each person save?

goog may be able to you find that answer

s

step-by-step explanation:

38.6°

step-by-step explanation:

resultant is 10 pound

smaller force = 8 pound

angle formed = tan⁻¹(

                        =tan⁻¹(

                          =tan⁻¹(0.8)

                        =38.6°

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours