X-7/100
OR
X-0.07
Since we don't know the number we need a variable which can be any alphabet so I chose "X".
For example if it were 7 decreased by 7 percent, it would be equal to:
7 - 7/100=6.93
Answer:
A) 150
B)30
Step-by-step explanation:
I’m pretty sure it’s 370 bc
1 and a half hours is 80+40 (40 is half of 80)
and 2 and a half hours, so 100 for each hour.
100+100+50= 250
250+120=370!!
answer : 370 kilometers per hour
Answer:
b
Step-by-step explanation:
Evaluate using the definition
n
= 
where n ! = n(n - 1)(n - 2)(n - 3)..... × 3 × 2 × 1
Given
9
= 
= 
= 
Cancel 6.5.4.3.2.1 on numerator and denominator, leaving
= 
= 
= 84 → b