Answer:
52.5
Step-by-step explanation:
7.50 x 7
<h2>Percent of speed the machine increase is 20%</h2>
<h2>Given that;`</h2>
Number of ice cream produced before = 45
Number of ice cream produced after = 54
<h2>Find:</h2>
Percent of speed the machine increase
<h2>Computation:</h2>
Percent of speed the machine increase = [Number of ice cream produced after - Number of ice cream produced before] / Number of ice cream produced before
Percent of speed the machine increase = [(54 - 45) / 45]100
Percent of speed the machine increase = [9 / 45]100
Percent of speed the machine increase = 20%
<h2>Learn more:</h2>
brainly.com/question/15013012?referrer=searchResults
Answer:
<h2>69</h2>
Step-by-step explanation:
(-)(-) = (+)
(+)(+) = (+)
(-)(+) = (+)(-) = (-)
--------------------------------------
16 - (-53) = 16 + 53 = 69
Answer:
a. 496 girls
b. 110 boys
Step-by-step explanation:
a. 3:4 ------- divide 372 by 3 and you get 124 now multiply that by 4 and you get 496
b. 2:5 -------- divide 275 by 5 and you get 55 now multiply that by 2 and you get 110