Answer:
Step-by-step explanation:
Given
Represent Goldfish with g and hermit crabs with h.
The first statement, we have:
The second statement, we have:
Required
Determine the selling price of 6 goldfish and 4 hermit crabs
The equations are:
--- (1)
--- (2)
Make g the subject in (2)
Divide both sides by 4
Substitute 
for g in (1)
Multiply through by 4
Open bracket
Collect Like Terms
Make h the subject
Substitute 4 for h in
This implies that:
1 goldfish = $2
1 hermit crab = $4
The cost of 6 goldfish and 4 hermit crabs is:
Answer:
x^2 - 6x + 8 x - 2
x
0 8 -2
1 3 -1
2 0 0
3 -1 1
4 0 2
5 3 3
The solutions are in red ⇒ x = 2 and x = 5
Answer=18 pages
Steven read 9 pages on Monday. If he needs to read DOUBLE that amount on Tuesday, then we need to take the number of pages he read on Monday and times it by 2.
9*2=18pages
Steven needs to read 18 pages on Tuesday.
**Remember that Double is the same as 'two times more', or 2x more...
Answer:
120
Step-by-step explanation:
3/8 3*8=24, 24+3 = 27
5/12 5*12 =60 60÷5= 65
27 + 65 = 92
212-212- 92=120
Answer:
7
Step-by-step explanation:
