He can buy 31 cards
It is a method where we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit.
First, let us make a note of the information we have. There are 5 ice-creams. 5 ice-creams cost $125.
Step 1: Let’s find the cost of 1 ice cream. In order to do that, divide the total cost of ice-creams by the total number of ice-creams. The cost of 1 ice-cream = Total cost of ice-creams/Total number of ice-creams = 125/5 = 25. Therefore, the cost of 1 ice cream is $25.
Step 2: To find the cost of 3 ice-creams, multiply the cost of 1 ice cream by the number of ice-creams. The cost of 3 ice-creams is cost of 1 ice-cream × number of ice-creams = 25 × 3 = $75. Finally, we have the cost of 3 ice-creams i.e. $75.
In rows of 4 there are 6 cards
and, he gave 7 cards to his friend.
So, he have
=6*4+ 7
=24+ 7
=31 cards
Hence, he have 31 cards.
Learn more about unitarymethod here:
#SPJ2
Answer:
pls give brainliest (answer at bottom)
Step-by-step explanation:
Let's call the rate of the slower hiker "x" mph.
The faster hiker walks 1.1 mph faster than the slower hiker, so their rate is "x + 1.1" mph.
Now, we know that distance = rate × time. In this case, both hikers are walking towards each other, so we can add their distances to get the total distance of 22 miles:
Distance of the slower hiker + Distance of the faster hiker = Total distance
4x + 4(x + 1.1) = 22
Now, let's solve for x:
4x + 4x + 4.4 = 22
Combine like terms:
8x + 4.4 = 22
Subtract 4.4 from both sides:
8x = 22 - 4.4
8x = 17.6
Now, divide by 8 to find the rate of the slower hiker:
x = 17.6 / 8
x = 2.2 mph
So, the slower hiker's rate is 2.2 mph, and the faster hiker's rate is:
x + 1.1 = 2.2 + 1.1 = 3.3 mph
Therefore, the slower hiker walks at 2.2 mph, and the faster hiker walks at 3.3 mph.
The question relates to sequential probability. A black marble must be picked first to add blue marbles to the pot. The combined probability of these events is 169/1040.
The subject is probability within mathematics. In order to determine the probability of picking a blue marble as the second marble, it is important to understand that this can only happen if a black marble was chosen first (because blue marbles are only added after a black marble is chosen). Initially, we have 14 red marbles and 26 black marbles. Therefore, the probability of picking a black marble first is 26/40.
After the first black marble is chosen, 13 blue marbles are added, making the total number of marbles 53. As a result, the probability of picking a blue marble as the second draw is 13/53.
Since these are sequential events, we multiply the probabilities together. Therefore, the probability of the second marble being blue is (26/40) * (13/53), which simplifies to 169/1040 or approximately 0.1625.
#SPJ2
g
kg
mg
km