Java book comprises of two section core and advanced java in the ratio 7:2. How much of each type of content will be needed to make a book of 450 pages?
450 x 7/9=350 450 x 2/9 = 100
100
x - 10 > 10
x - 10 + 10 > 10 + 10
x > 20
100
x + 1 = 9
8
100
if John John had 50 apples and he gave away 30 and grew back 11 how many apples do john john have now
Answer is 31
200
Multiply 0.05 by 1.3
0.065
200
30 girls and boys are planned for a picnic. There are in a ratio of 3 girls to 7 boys. How many boys are there?
30 x 7/10 = 21
200
p + 3 ≤ 16
p + 3 - 3 ≤ 16 - 3
p ≤ 13
200
x + 3 = 5
2
200
Ned rode his bike 7 miles to the library.
He took a shortcut on the way home which was only 5 miles long.
How many miles did Ned ride altogether?
12
300
Multiply 0.035 by 0.2
0.007
300
12 miles is approximately equal to 6 km. How many km are equal to 18 miles? How many miles are equal to 42 km?
6/12 x 18 = 9
12/6 x 42 = 84
300
p + 12 < 2p - 7
p + 12 - 12 < 2p - 7 - 12
p < 2p - 19
p - 2p < 2p - 19 - 2p
-1p < -19
-1p/-1 > -19/-1
p > 19
300
x + -6 = 9
-4
300
Anne ate 6 cookies.
Samantha ate 4 more cookies than Anne.
How many cookies did Samantha eat?
10
400
Divide 9.84 by 8
1.23
400
5 pizzas cost $60. What will 9 pizzas cost?
60/5 x 9 = 108
400
-y + 5 ≤ -11
-1y + 5 - 5 ≤ -11 - 5
-1y ≤ -16
y ≥ 16
400
-32 = x + 3
-29
400
Henry gave 5 stickers to his younger brother.
Now he only has 9 stickers.
How many stickers did Heny have at first?
14
500
Divide 16.52 by 7
2.36
500
6 stuffed peppers cost $36. What will 12 stuffed peppers cost?
36/0 x 12 = 72
500
j - 21 < 21
j - 21 + 21 < 21 + 21
j < 42
500
29 + -1x = 13
39
500
Derek and Larry have 15 books together.
6 of the books belong to Derek.
How many books does Larry have?