Convert all of them in decimals
3 ÷ 10 = 0.3
0.4
35% ÷ 100 = 0.35
Order from least to greatest--
3/10, 35%, 0.4
3/10 is the smallest
Answer: 100 cell phones.
Step-by-step explanation:
The worker makes 2.5 phones an hour. 2.5 x 40 = 100.
Is means equal
of means multiplication
so
20 = 40% x a
40% = 40/100 = 4/10 = 2/5
So
20 = 2/5 x a
Multiply both sides by 5/2
20 x 5/2 = a
10 x 5 = a
a =50
So your final answer is