Answer:
415.8
Step-by-step explanation:
8.40 x 40 is 336$. plus 7 x 4.20 (half) is 29.4$ and plus 8.40 x 2 (double time) is 16.8 x 3 which is 50.4$. you add these up and he earns 415.8$ (hopefully)
Solution given:
=±58
The answer is -13.
=4×(-2)-5
=-8-5
=-13
The value of (-2) is -13.
a=4
if a+5=2a+1
then 5-1 = 2a-a
so 4 = a
824.65