Answer
4x+y=11
Step-by-step explanation:
A. 30d
This is because d is the amount of day so if she earns £30 per day the it’s the amount of days x her daily wage =
d x £30 =
30d
(The number always goes first in equations) I hope this helped.
10 mean 100%
x mean 7%
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x=7*10/100 = 70/100 = 0,7
hope this helped