A child completes tasks to earn rewards.
Now we have to write an equation for the rewards earned using given information.
Given that reward earned on 1 task = 1
Given that number of tasks = t
then number of rewards earned on t tasks = 1*t
Number of bonus rewards earned in 1 day = 2
So total number of rewards earned in 1 day = 1*t+2
Number of rewards is denoted by "r" so we can write number of rewards earned in 1 day as:
r=1*t+2
or
r=t+2
Hence final answer is r=t+2